Detailed logic: Letter is to be written on a paper. You need to have paper to write a letter.
have paper
Question for this logic: What do you need to write a letter?
Options:
- have paper
- literate
- not give up
- move fingers
- to keep warm

Detailed logic: Accidents are caused in skiing. Skiing can be very risky as it can cause a very serious accident.
accident
Question for this logic: Skiing can be very risky, it can be the cause of a very serious what?
Options:
- fall down
- fall in
- getting cold
- accident
- trip and fall

Detailed logic: Unfortunate is to be unlucky and have bad effects. Unhappiness with marriage and drifting apart is unlucky and has bad effects.
unfortunate
Question for this logic: John was not happy with his marriage. He and his wife drifted apart.   All and all, recent turns could be described as what?
Options:
- inappropriate
- sadness
- unsatisfied
- unfortunate
- disenchanted

Detailed logic: People feel thirst when they are dehydrated. People prefer to drink water when they are thirsty.
drink water
Question for this logic:
The person was thirsty, what should he have done?
Options:
- eat
- sunny days
- compliments
- drink water
- all kinds of things