Pick out the option with a different rhyme

The primary stress is indicated by writing the syllable on which it occurs in capital letters. From the words lettered A to D choose the one that has the correct stress.
category

Choose the option that has the same vowel sound as the letter(s) underlined

exist

Choose the word that does not have the same vowel sound as the others

Choose the options to which the given sentence relate.

Spain won their last friendly FOOTBALL match