Assertion: ostrich's egg | /r/HasProperty | weigh
Facets:
Source sentences:
text: The nest may contain 15 to 60 eggs, which are, on average, 15 centimetres (5.9 in) long, 13 centimetres (5.1 in) wide, and weigh 1.4 kilograms (3.1 lb).
text: The giant eggs are the largest of any living bird at 15 centimeters long and weighing as much as 24 chicken eggs, though they are actually small in relation to the size of the adult.