TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a photo of a small boat on a shore'. Find frequency of the letter 'f'

SOLUTION: 1

PROBLEM: Sentence: 'a castle like bed room that has the era of templar knight similarities'. Find frequency of the letter 'm'

SOLUTION: 3

PROBLEM: Sentence: 'the counter of a doctor's office, including a laptop, cotton swabs, and tongue depressors'. Find frequency of the letter 'g'

SOLUTION:
2