Assertion: goalkeeper's ball | /r/HasProperty | spherical
Facets:
Source sentences:
text: The ball is spherical and must be made either of leather or a synthetic material.
text: The ball is spherical with a circumference of between 68 and 70 cm (27 and 28 in), a weight in the range of 410 to 450 g (14 to 16 oz), and a pressure between 0.6 and 1.1 standard atmospheres (8.5 and 15.6 pounds per square inch) at sea level.