Assertion: backpack | /r/HasAspect | opening
Facets:
value: on side
type: LOCATION
Source sentences:
text: Backpacks have a built-in leash, ventilation holes for breathability, a soft washable pad, and openings on the top and side for entry
text: We love the fact that this backpack has two openings: one at the top and the other at the front, so your dog has the option to either lie-down or poking his head out.