Assertion: pitcher's ball | /r/HasProperty | hit up the middle
Facets:
value: in this case
type: TEMPORAL
value: for a single
type: PURPOSE
Source sentences:
text: In this case, the ball is hit up the middle for a single.
text: When a ball is hit up the middle and the shortstop catches it, they will flip the ball to the second baseman for the best result.