TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a woman in yellow dress standing next to a horse'. Find frequency of the letter 'l'

SOLUTION: 2

PROBLEM: Sentence: 'this marketplace has a lot of fresh fruit and vegetables'. Find frequency of the letter 'v'

SOLUTION: 1

PROBLEM: Sentence: 'a woman carrying a surfboard on top of a beach'. Find frequency of the letter 'c'

SOLUTION:
2