TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a couple of men standing inside of a liquor store'. Find frequency of the letter 'p'

SOLUTION: 1

PROBLEM: Sentence: 'a girl laying on a bed posing for a picture'. Find frequency of the letter 'i'

SOLUTION: 4

PROBLEM: Sentence: 'a photograph of a bedroom inside a home'. Find frequency of the letter 'e'

SOLUTION:
3