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

Q: Sentence: 'a group of men standing on the side of a boat'. Find frequency of the letter 'o'

A: 5
****
Q: Sentence: 'a man paddle boarding by a boat dock in a city'. Find frequency of the letter 'o'

A: 3
****
Q: Sentence: 'group of lawn chairs sitting out on a sunny patio'. Find frequency of the letter 't'

A:
4
****