Assertion: hippo | /r/HasProperty | expensive
Facets:
value: relatively
type: DEGREE
value: to maintain.:129
type: PURPOSE
Source sentences:
text: Hippos generally breed well in captivity; birth rates are lower than in the wild, but this is attributed to zoos wanting to limit births, since hippos are relatively expensive to maintain.:129
text: Hippos generally breed well in captivity; birth rates are lower than in the wild, but this is attributed to zoos wanting to limit births, since hippos are relatively expensive to maintain.:129