[[Cause of myasthenia gravis]] is [[unknown]]
/c/en/unknown
{"dataset": "/d/conceptnet/4/en", "license": "cc:by/4.0", "sources": [{"activity": "/s/activity/omcs/omcs1_possibly_free_text", "contributor": "/s/contributor/omcs/laserjoy"}], "surfaceEnd": "unknown", "surfaceStart": "Cause of myasthenia gravis", "surfaceText": "[[Cause of myasthenia gravis]] is [[unknown]]", "weight": 1.0}
