Something you need to do before you [[run in a marathon]] is [[drink water]]
/c/en/drink_water
{"dataset": "/d/conceptnet/4/en", "license": "cc:by/4.0", "sources": [{"activity": "/s/activity/omcs/omcs1_possibly_free_text", "contributor": "/s/contributor/omcs/mccarthy10"}], "surfaceEnd": "drink water", "surfaceStart": "run in a marathon", "surfaceText": "Something you need to do before you [[run in a marathon]] is [[drink water]]", "weight": 1.0}
