Assertion: fish's eye | /r/HasProperty | visible
Facets:
value: in the upper left
type: LOCATION
Source sentences:
text: When it buries itself in the sand or mud, its eyes and mouth are the only two parts that are visible, which is how it gets its name.
text: In some, only a few cells grow on top of the yolk , in the lower right, the blood vessels surround the yolk, and in the upper left, the black eyes are visible, even the little lens.