Problem: What type of thing is the question "Who invented the pull-tab opener on cans ?" asking about?
OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
Answer: human

Problem: What type of thing is the question "What are pushed and coupled in hump yards ?" asking about?
OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
Answer: entity

Problem: What type of thing is the question "What colors is magenta made of ?" asking about?
OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
Answer:
entity