[[Skin pigment]] is [[due to melanin]]
/c/en/due_to_melanin
{"dataset": "/d/conceptnet/4/en", "license": "cc:by/4.0", "sources": [{"activity": "/s/activity/omcs/omcs1_possibly_free_text", "contributor": "/s/contributor/omcs/utility"}], "surfaceEnd": "due to melanin", "surfaceStart": "Skin pigment", "surfaceText": "[[Skin pigment]] is [[due to melanin]]", "weight": 1.0}
