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

[EX Q]: Sentence: 'three men are in a kitchen cooking and cutting through a dish'. Find frequency of the letter 'a'
[EX A]: 4

[EX Q]: Sentence: 'a bunch of broken down trains sit in a yard'. Find frequency of the letter 'n'
[EX A]: 5

[EX Q]: Sentence: 'a boat sailing in the water near straw huts'. Find frequency of the letter 'e'
[EX A]:
3