Assertion: platypus | /r/HasAspect | leg
Facets:
Source sentences:
text: The platypuses have heavy skeletons, which look like the ones for the reptiles; both the platypuses and reptiles’ skeletons have pectoral girdles and legs that are spread out.
text: Even though the platypus is an aquatic animal, it has four legs which it also uses for walking and burrowing.