Assertion: bee eater | /r/HasProperty | main obstacle
Facets:
Source sentences:
text: Many bee-keepers believe that the bee-eaters are the main obstacle causing worker bees not to forage, and instead stay inside the hives for much of the day between May and the end of August.
text: Many bee-keepers believe that the bee-eaters are the main obstacle causing worker bees not to forage, and instead stay inside the hives for much of the day between May and the end of August.