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

Ex Input:
sid explained his theory to mark but he couldn't convince him.

Ex Output:
he couldn't convince him.


Ex Input:
many people start to read paul's books and can't put them down. they are popular because paul writes so well.

Ex Output:
they are popular


Ex Input:
although they ran at about the same speed, sue beat sally because she had such a bad start.

Ex Output:

she had such a bad start.