Choose the word with a different way of pronunciation in the underlined parts a, b or c

 chooose the word with a different way of pronunciation in the underlined part a , b or c
1.a problem     b. homeless    c. children    d. method
2.a passded       b. chatted        c. helped      d. liked
3. a fun             b. foot              c. of             d. half
4 . a machine    b. orange         c. balloon     d . admire
5. a cleaner       b. thirty              c. early        d. thursday