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

[EX Q]: Sentence: 'this marketplace has a lot of fresh fruit and vegetables'. Find frequency of the letter 'v'
[EX A]: 1

[EX Q]: Sentence: 'a woman sitting in front of a giant slice of cheese pizza'. Find frequency of the letter 'e'
[EX A]: 4

[EX Q]: Sentence: 'black and white photo of an air ferry airplane'. Find frequency of the letter 'p'
[EX A]:
2