TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'two women standing next to each other holding tennis rackets'. Find frequency of the letter 't'

SOLUTION: 7

PROBLEM: Sentence: 'bananas are being dried in a tropical setting'. Find frequency of the letter 'i'

SOLUTION: 5

PROBLEM: Sentence: 'an adult in ski wear and wearing skis kneeling on a snow bank next to a child who is also wearing ski wear and skis'. Find frequency of the letter 'l'

SOLUTION:
4