Assertion: protein | /r/HasProperty | important building block
Facets:
value: for the body
type: TRANSITIVE-OBJECT
value: in the body
type: LOCATION
Source sentences:
text: Protein is, of course, an important building block in the body, but it is not the only building block.
text: Protein is an essential part of the diet, because it is an important building block for the body.