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

Q: Sentence: 'a man in his car eating a donut'. Find frequency of the letter 'm'

A: 1
****
Q: Sentence: 'three woman are having a discussion in the kitchen'. Find frequency of the letter 'n'

A: 5
****
Q: Sentence: 'a woman sitting on top of a couch with two cats'. Find frequency of the letter 'p'

A:
1
****