"fair's fair" meaning in English

{
  "forms": [
    {
      "form": "fair is fair",
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
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      "examples": [
        {
          "ref": "2008, Susan Beth Pfeffer, Life as We Knew it, Houghton Miffin Harcourt, →ISBN:",
          "text": "\"Okay,\" I said. \"If we take turns with the dishes. I'm not going to do them all the time.\"\n \"Fair's fair,\" Matt said. \"We rotate the dishes, and Jon and I do our own laundry.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "An expression used when asking for fair or just treatment, or when asserting that a situation is fair."
      ],
      "id": "en-fair's_fair-en-phrase-GRdW3wfA",
      "links": [
        [
          "just",
          "just#English"
        ],
        [
          "treatment",
          "treatment#English"
        ]
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "fair is fair",
          "word": "donnant donnant"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "fair is fair",
          "word": "ciò che è giusto è giusto"
        },
        {
          "code": "es",
          "english": "lo",
          "lang": "Spanish",
          "sense": "fair is fair",
          "word": "lo justo es justo"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "fair is fair",
          "word": "hay que ser justos"
        }
      ]
    }
  ],
  "word": "fair's fair"
}

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    {
      "form": "fair is fair",
      "tags": [
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      },
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  ],
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  "lang_code": "en",
  "pos": "phrase",
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        {
          "ref": "2008, Susan Beth Pfeffer, Life as We Knew it, Houghton Miffin Harcourt, →ISBN:",
          "text": "\"Okay,\" I said. \"If we take turns with the dishes. I'm not going to do them all the time.\"\n \"Fair's fair,\" Matt said. \"We rotate the dishes, and Jon and I do our own laundry.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "An expression used when asking for fair or just treatment, or when asserting that a situation is fair."
      ],
      "links": [
        [
          "just",
          "just#English"
        ],
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          "treatment",
          "treatment#English"
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  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "fair is fair",
      "word": "donnant donnant"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "fair is fair",
      "word": "ciò che è giusto è giusto"
    },
    {
      "code": "es",
      "english": "lo",
      "lang": "Spanish",
      "sense": "fair is fair",
      "word": "lo justo es justo"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "fair is fair",
      "word": "hay que ser justos"
    }
  ],
  "word": "fair's fair"
}