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

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

A: 5
****
Q: Sentence: 'this marketplace has a lot of fresh fruit and vegetables'. Find frequency of the letter 'v'

A: 1
****
Q: Sentence: 'a man is standing outside on the phone'. Find frequency of the letter 'o'

A:
3
****