Assertion: ostrich | /r/HasProperty | true dinosaur
Facets:
Source sentences:
text: Ostriches skeletons and fossils have been found which date back over 120 million years; ostriches are a true dinosaur.
text: Ostrich skeletons and fossils have been found dating back over 120 million years which means Ostriches are true dinosaurs.
text: Ostriches can be called a true dinosaur since ostrich skeletons and fossils have been found that date back to 120 million years.