Rewrite the sentences using relatives clause

Rewrite the sentences using relatives clause.
1. Yuri Gagarin became the first man who flied into space.
2. We stood on the bridge which connects the two halves of the building.
3. I come from a city which is located in the southern part of thr country.
4. What is the name of the man? You borrowed his car.
5. We were given a lot of information. Most of the information was useless.