Assertion: proboscis monkey's group | /r/HasProperty | old world monkeys
Facets:
Source sentences:
text: Two out of three groups of simian primates are monkeys, which are Old World Monkeys and New World Monkeys.
text: Monkeys are highly intelligent and active primates that are broken into two groups known as Old World monkeys and New World monkeys.
text: Today there are three main groups of simians: the old world monkeys, the new world monkeys, and the apes.