Assertion: dinosaur's origin | /r/HasProperty | traced to a line of small theropods
Facets:
Source sentences:
text: This fits well with the idea that they were warm-blooded, and that the origin of birds can be traced to a line of small theropods.
text: This fits well with the idea that they were warm-blooded, and that the origin of birds can be traced to a line of small theropods.