Assertion: ostrich's weight | /r/HasProperty | the size of the female
Facets:
Source sentences:
text: 15 cm (5.9 in) long, 13 cm (5.1 in) wide, and weigh 1.4 kilograms (3.1 lb), over 20 times the weight of a chicken's egg and only 1 to 4% the size of the female.