1. Ben, whose dad works for Apple, lives in San Francisco.
2. Lucy, a talented chef, has a lot of experience.
3. My sister works in Madrid, where she used to study.
4. My job, once relaxing, is now very stressful.
5. Laura, whom I sat next to at school, is now a TV star.

• Ben, whose dad works for Apple, lives in San Francisco.
• Lucy, a talented chef, has a lot of experience.
• My sister works in Madrid, where she used to study.
• My job, which used to be relaxing, is now very stressful.
• Laura, who I sat next to at school, is now a TV star.

 Ben lives in San Francisco and his dad works for Apple.

→ Ben, whose dad works for Apple, lives in San Francisco.

2. Lucy is a talented chef and has a lot of experience.

→ Lucy, who is a talented chef, has a lot of experience

3. My sister used to study in Ha Noi and now works there.

→ My sister works in Ha Noi, where she used to study.