Assertion: cheetah's hind leg | /r/HasProperty | powerful
Facets:
Source sentences:
text: The exceptional speed of the cheetah is due to its strong and powerful hind legs and great flexible and muscular spine which makes them very agile.
text: Cheetahs have very flexible spines and when they are sprinting, their spines flex and straighten allowing their powerful hind legs to achieve longer, more effective strides making them capable of reaching speeds of 110 kilometres per hour (70 miles per hour).