Assertion: dinosaur's neck | /r/HasProperty | pose
Facets:
Source sentences:
text: (if not one of the heaviest) sauropods ever to walk the earth, with a hugely elongated neck that would have allowed it to hold its head more than 40 feet above ground level (a pose that most paleontologists think is unrealistic, considering the metabolic demands this would have placed on Giraffatitan's heart).