Underline the subject and verb in the following sentences.
1. The boy whom you saw walking on the road yesterday while returning from school is my brother.
2. The book you wanted to read is not available right now.
3. The furniture which was bought in the auction is made of solid teak-wood.
4. The team which won four matches this year has been nominated for the President's award.
5. A visit to the various monasteries provides an insight into Buddhism.