Circle the word whose underlined part is pronounced differently from the others’

I Circle the word whose underlined part is pronounced differently from the others’.
1.A. safety B. vitamin C. parade
2.A. vehicle B. fine C. sign
ExerciseII: Circle the word which has a different stress pattern from that of the others’.
3.A. candy B. seatbelt C. perform
4.A. parade B. display C. crossing