(adjective clause) again.. help me please

13. i must thank the people from whom i got the present.
14. the man whose beard caught on gire when he lit a cigarette poured a glass of water on his face.
15. i apologize to the woman whose coffee i spilled.
16. i have to call the man whose umbrella i accidentally picked up after the meeting.
17. the man whose wallet was stolen called the police.
18. nadya, whom we will see tomorrow, is the candidate if our new accountant.
19. putu, whose job is to repair the car engines, is a mechanic.
20. delila gets a new job which is relevant to her educational background.
21. the new company which produces and trades machines recruits some applicants.