Assertion: spider's eye | /r/HasProperty | arranged in semicircle
Facets:
value: on the forepart of the cephalothorax
type: LOCATION
Source sentences:
text: Whereas most spiders have eight eyes, recluse spiders have only six eyes that are arranged in pairs in a semicircle on the forepart of the cephalothorax (the first (anterior) major body section), with one median pair and two lateral pairs.