Assertion: hippo's nostril | /r/AtLocation | top of their head
Facets:
Source sentences:
text: Their nostrils are actually on top of their head.
text: Hippos’ eyes, ears, and nostrils are on top of their heads so they can see, hear, and breathe while being mostly underwater.
text: A hippopotamus' nostrils are on the top of its head, so it can still breathe while almost totally submerged underwater.