Choose the word whose underlined part is pronounced differently from the other

Choose the word whose underlined part is pronounced differently from the others.

Question 1. A. perform B. end                    C. festival                     D. elephant

Question 2. A. cake       B. celebrate           C. cancel              D. century

Question 3. A. dessert   B. held                   C. prefer              D. celebrate

Question 4. A. those                B. they                  C. than                 D. Thanksgiving

Question 5. A. wanted  B. filled                 C. stayed             D. played