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

[EX Q]: Sentence: 'a person riding a surfboard in the middle of a wave'. Find frequency of the letter 'o'
[EX A]: 3

[EX Q]: Sentence: 'a man standing in front of a statue near a metal pole'. Find frequency of the letter 'f'
[EX A]: 2

[EX Q]: Sentence: 'a woman in a red sweater standing next to a piece of black luggage'. Find frequency of the letter 't'
[EX A]:
4