Find the word which has a different sound in the underlined part

Exercise 1. Find the word which has a different sound in the underlined part.
1. A. one                     B. bottle                      C. coffee                     D. pot
2. A. morning              B. what                        C. problem                  D. yogurt
3. A. talk                     B. salt                          C. sausage                   D. cause
4. A. pork                    B. flower                     C. cow                         D. flour
5. A. noodle                B. food                        C. soon                        D. cook
Exercise 2. Find the word which has a different stress from the others.
1. A. cooking              B. chili                                    C. bamboo                   D. fragrant
2. A. cuisine                B. flavor                      C. salty                        D. spicy
3. A. garlic                  B. lettuce                    C. pancake                  D. prepare
4. A. sausage               B. tasty                        C. appear                     D. colour
5. A. consider             B. carpenter                C. delicious                 D. ingredient