TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'man in a radio studio wearing a suit in front of a microphone'. Find frequency of the letter 't'

SOLUTION: 3

PROBLEM: Sentence: 'a dog laying on the back of a boat in the water'. Find frequency of the letter 't'

SOLUTION: 4

PROBLEM: Sentence: 'a large giraffe statue is standing outside of a building near a plant'. Find frequency of the letter 'e'

SOLUTION:
5