Assertion: platypus's egg | /r/HasProperty | soft
Facets:
Source sentences:
text: After a gestation period of between two and three weeks, the female Platypus lays between one and three small, spherical eggs that are only 1.5cm in size and are soft and leathery.
text: Typically, the eggs are about 0.7 in (1.7 cm) in diameter, are a bit rounder than most bird eggs, and are soft and compressible with a pliant shell.