Pick out the word that has the stress pattern differently from that of the other words

Pick out the word that has the stress pattern differently from that of the other words
1. A. return       B. believe          C. candle          D. reward
2. A. lottery       B. addition         C. estimate       D. medical
3. A. behaviour B. telescope       C. moderate     D. tendency
4. A. select        B. exchange      C. conclude      D. detail
5. A. memory   B. together          C. different        D. continent