Is the pronoun correct?

Look at the picture. Is the pronoun in the sentence correct? If it is, choose 'YES', otherwise, click 'NO'. Then wait for the next picture.

He is their owner. YES NO Tom They are your books. YES NO It is his fish. YES NO My family and I It is our cat. YES NO My family and I It is their dog. YES NO Elephant It is their trunk. YES NO Jack It is his cup of tea. YES NO Bird They are its wings. YES NO THE END