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

Q: Sentence: 'a person riding a camel in front of a truck'. Find frequency of the letter 't'

A: 2
****
Q: Sentence: 'this is an image of a woman playing tennis'. Find frequency of the letter 'f'

A: 1
****
Q: Sentence: 'a bed with a mattress that has nothing on it'. Find frequency of the letter 'a'

A:
5
****