Assertion: tennis ball | /r/AtLocation | fibrous felt
Facets:
Source sentences:
text: Tennis balls are covered in a fibrous felt which modifies their aerodynamic properties, and each has a white curvilinear oval covering it.
text: A tennis ball is a ball that has a standard size of 2.63 inches (6.7 cm) in diameter and is covered with a fibrous felt that directs its aerodynamic properties.
text: Tennis balls are covered in a fibrous felt which modifies their aerodynamic properties, and each has a white curvilinear oval covering it.