Assertion: elephant | /r/HasProperty | fertile
Facets:
value: according to zoo-industry research
type: OTHER
value: for a few days
type: TEMPORAL
Source sentences:
text: They are only fertile for a few days a year.
text: At that rate, the 288 elephants inside 78 U.S. zoos could be "demographically extinct" within the next 50 years because there'll be too few fertile females left to breed, according to zoo-industry research.
text: Elephants in musth want to mate with females that are in estrous, meaning that they are fertile.