His new idea is very innovative.

Which book do you like the most?

Genetic factors are affecting his illness.

This disease is caused by the gene.

Mr. Ide is my best friend.

Mr. Ide is my best friend.

Please answer this question in the singular form.

Please tell me the singular form of this word.

There is a large chest of drawers in my room.

He looked at the tender and remembered his old railway trips.