Choose the best option A, B, C or D to indicate the word whose stress pattern differs from the other three in each of the following questions

Choose the best option A ,B, C or D to indicate the word whose stress pattern differs from the other three in each of the following questions
1. A. career B. racket C. friendly D. swimmer
2. A. event B. equipment C. activity D. famous
3. A. football B. cyclist C. machine D. action
4. A. marathon B. equipment C. fantastic D. exhausted