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

[EX Q]: Sentence: 'a man is taking a picture of a man and woman'. Find frequency of the letter 'a'
[EX A]: 8

[EX Q]: Sentence: 'a large grass pasture land with sheep grazing on grass'. Find frequency of the letter 'a'
[EX A]: 7

[EX Q]: Sentence: 'a man in a beige t-shirt holds up a whisk and a remote'. Find frequency of the letter 's'
[EX A]:
3