TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a young girl is brushing her teeth in this dated photo'. Find frequency of the letter 't'

SOLUTION: 5

PROBLEM: Sentence: 'a bus is stopped in front of a graphic statue'. Find frequency of the letter 'e'

SOLUTION: 2

PROBLEM: Sentence: 'two elephants standing apart from each other in a field'. Find frequency of the letter 'h'

SOLUTION:
3