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

[Q]: Sentence: 'a person holding onto a pink kite at the beach'. Find frequency of the letter 'n'
[A]: 4


[Q]: Sentence: 'a couple of boys in a field playing baseball'. Find frequency of the letter 'i'
[A]: 3


[Q]: Sentence: 'a tv in a glass mirror in the bathroom'. Find frequency of the letter 'h'
[A]:
2