Assertion: dodo | /r/HasProperty | believed
Facets:
Source sentences:
text: It is believed that the first group of sailors to arrive on Mauritius in 1507 were Portuguese led by Captain Mascaregnas.
text: It is believed that the Dodo birds became flightless due to the easy availability of food and the lack of predators in their habitat.
text: It is believed that the Dodo birds nested on the ground.