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

[EX Q]: Sentence: 'two elephants facing each other touching trunks in an enclosure'. Find frequency of the letter 'f'
[EX A]: 1

[EX Q]: Sentence: 'a birthday cake with a number one and three candle'. Find frequency of the letter 'w'
[EX A]: 1

[EX Q]: Sentence: 'the glass from a market reflects the street outside'. Find frequency of the letter 'l'
[EX A]:
2