Indicate a noun phrase from given statement which mentions a pronoun.

dan had to stop bill from toying with the injured bird. he is very compassionate.
he is very compassionate.

sam broke both his ankles and he's walking with crutches. but a month or so from now they should be unnecessary.
they should be unnecessary

the foxes are getting in at night and attacking the chickens. i shall have to kill them .

to kill them