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

Q: Sentence: 'a young boy holding a piece of paper on top of a table'. Find frequency of the letter 'y'

A: 2
****
Q: Sentence: 'a bathroom with a sink, counter top, and mirror is shown'. Find frequency of the letter 'i'

A: 4
****
Q: Sentence: 'two people sitting down holding cellphones in their hands'. Find frequency of the letter 'p'

A:
3
****