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

[Q]: Sentence: 'a social occasion of people are uncovered before the open day'. Find frequency of the letter 'c'
[A]: 4


[Q]: Sentence: 'pizza with different vegetables sitting on top of a wooden slab'. Find frequency of the letter 'o'
[A]: 5


[Q]: Sentence: 'a photo of a laptop sitting on the desk'. Find frequency of the letter 'o'
[A]:
5