Assertion: ballpoint pen's ink | /r/HasProperty | compelled to the ball
Facets:
value: by gravity
type: CAUSE
value: downward
type: MANNER
Source sentences:
text: In modern disposable pens, narrow plastic tubes contain the ink, which is compelled downward to the ball by gravity.
text: In modern disposable pens, narrow plastic tubes contain the ink, which is compelled downward to the ball by gravity.