The chinchilla is a nocturnal animal which means that it is most active at night.
(The chinchilla; is; a nocturnal animal which means that it is most active at night) (a nocturnal animal; means; that it is most active at night) Context(a nocturnal animal means,List([18, 48))):(it; is; most active; T:at night)
a nocturnal animal means,List([18, 48))
The chinchilla a nocturnal animal it
is means is
a nocturnal animal which means that it is most active at night
that it is most active at night
most active T:at night