Assertion: pitcher | /r/AtLocation | the pitcher's mound
Facets:
Source sentences:
text: The pitcher must be on the pitcher's mound, with one foot in contact with the pitcher's rubber, and the catcher must be behind home plate in the catcher's box.
text: The catcher must be behind home plate in the catcher's box, while the pitcher must be on the pitcher's mound, with one foot in contact with the pitcher's rubber.