Assertion: spider's eyesight | /r/HasProperty | keen
Facets:
Source sentences:
text: Wolf spiders use their keen eyesight, camouflage coloring, speedy movements and high sensitivity to vibrations to be aware of and keep safe from predators.
text: Wolf spiders use their keen eyesight, camouflage coloring, speedy movements and high sensitivity to vibrations to be aware of and keep safe from predators.