Assertion: left lung | /r/CapableOf | make room
Facets:
value: for the heart
type: TRANSITIVE-OBJECT
Source sentences:
text: The left lung is narrower because it must make room for the heart.
text: The reason why there is no middle lobe, which makes the left lung smaller than the right, is that it makes room for the heart as the human heart is placed slightly towards the left side of the chest.