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

Q: Sentence: 'a man with headphones on is hunched over a sink while being recorded'. Find frequency of the letter 'd'

A: 4
****
Q: Sentence: 'a woman in a messy kitchen with a child'. Find frequency of the letter 'a'

A: 4
****
Q: Sentence: 'a crowd of fans watch soccer players from stadium seating'. Find frequency of the letter 'f'

A:
3
****