In this task, you need to count the number of times the given letter appears in the given sentence.

[EX Q]: Sentence: 'a dog on a couch near many pillows'. Find frequency of the letter 'p'
[EX A]: 1

[EX Q]: Sentence: 'a group of men standing on the side of a boat'. Find frequency of the letter 'o'
[EX A]: 5

[EX Q]: Sentence: 'a water skiing show with some skiers on the shoulders of the other skiers'. Find frequency of the letter 's'
[EX A]:
9