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

[EX Q]: Sentence: 'a large formal living room with yellow couches and table'. Find frequency of the letter 'v'
[EX A]: 1

[EX Q]: Sentence: 'a surfer is in the middle of an ocean wave'. Find frequency of the letter 'i'
[EX A]: 3

[EX Q]: Sentence: 'two giraffes, one standing and one laying down'. Find frequency of the letter 'g'
[EX A]:
3