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

[EX Q]: Sentence: 'three men in military suits are sitting on a bench,'. Find frequency of the letter 'a'
[EX A]: 3

[EX Q]: Sentence: 'a knife a cutting board some bananas and a toaster'. Find frequency of the letter 'i'
[EX A]: 2

[EX Q]: Sentence: 'a car completeley covered in toys and stuffed animals'. Find frequency of the letter 'f'
[EX A]:
2