Assertion: brain tumor | /r/HasProperty | caused
Facets:
value: by being overweight
type: CAUSE
value: by enlarging growths
type: MANNER
Source sentences:
text: Brain tumors can be caused by slowly enlarging growths that are not cancerous, and these are described as benign brain tumors.
text: About 2 out of 100 brain tumours (2%) diagnosed in the UK every year are caused by being overweight or obese.