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

Q: Sentence: 'man in air skateboarding on street with building'. Find frequency of the letter 't'

A: 4
****
Q: Sentence: 'two zebras feed on a plant through some wire mesh'. Find frequency of the letter 'o'

A: 4
****
Q: Sentence: 'two kids are playing baseball in the street'. Find frequency of the letter 't'

A:
4
****