Assertion: captive auk | /r/HasProperty | believed
Facets:
Source sentences:
text: It is not known what its other vocalizations were, but it is believed that they were similar to those of the razorbill, only louder and deeper.
text: It is not known what its other vocalizations were like, but it is believed that they were similar to those of the Razorbill, only louder and deeper.
text: It is not known what its vocalizations were like, but it is believed that they were similar to those of the Razorbill, only louder and deeper.