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

Q: Sentence: 'two men with colorful ties are posing for a picture'. Find frequency of the letter 'r'

A: 4
****
Q: Sentence: 'a man holding a frisbee high into the air'. Find frequency of the letter 'a'

A: 4
****
Q: Sentence: 'these two giraffes might be hook'n up for the afternoon'. Find frequency of the letter 'i'

A:
2
****