You will see a sentence and a given pronoun. Answer with the word in the sentence to which the pronoun is referring.

Ex Input:
text: fred is the only man still alive who remembers my great-grandfather. he was a remarkable man.; pronoun: he

Ex Output:
my great-grandfather


Ex Input:
text: tom gave ralph a lift to school so he wouldn't have to walk.; pronoun: he

Ex Output:
ralph


Ex Input:
text: the fish ate the worm. it was tasty.; pronoun: it

Ex Output:

the worm