1. Jane Smith, whose brother-in-law is the President of our company, has been on our last project.
2. You should take a stand on this issue, otherwise we won't be able to support your candidacy.
3. It's not worth buying second-hand computer equipment.
4. This is the first time I have ever repaired such an intricate watch mechanism.
5. Nobody succeeded in writing a paper on the Tatra sedimentary system on time.