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

Q: Sentence: 'a room with a big screen television and a couch'. Find frequency of the letter 'h'

A: 2
****
Q: Sentence: 'a large formal living room with yellow couches and table'. Find frequency of the letter 'v'

A: 1
****
Q: Sentence: 'two zebras eating some grass together in an open area'. Find frequency of the letter 'n'

A:
4
****