TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'slices of orange are arranged on a plate'. Find frequency of the letter 's'

SOLUTION: 2

PROBLEM: Sentence: 'a birthday cake with a number one and three candle'. Find frequency of the letter 'w'

SOLUTION: 1

PROBLEM: Sentence: 'people waiting on a train platform in a wooded area'. Find frequency of the letter 'p'

SOLUTION:
3