a pity
aid
aids
alone
animal
ape
assist
bars
beg
behind
cage
cagesad
captivity
coop
cruelty
depression
ego
emotion
enclosure
exotic
eyes
freedom
help
hope
inside
little
lonely
look
mammal
metal
monkey
monkeys
natural
nature
ngo
nick
one
penitentiary
poor
primate
rescue
rights
sad
sadness
save
slammer
steel
trapped
waiting
watching
zoo