Choose the word that has the underlined part pronounced differently

Choose the word that has the underlined part pronounced differently.
1.A. cleaned B. forced C. helped D. missed
2.A. dogsled B. complex C. tomb D. geological
Choose the word that its main stress is placed differently from the others.
3.A. factor B. remind C. rickshaw D. measure
4.A. negative B. suggestion C. embroider D. historic