의미가 올바르지 않은 것을 고르시오.

1. dot - a very small circle
2. foreign - being from another country
3. system - a group parts that work together
4. receiver - a part of a device that receives electronic signals
5. brake - the part of something that is made be held

어느 것일까요? 전 답이 보이지 않는데.....ㅠㅠ