In this task, you need to count the number of times the given letter appears in the given sentence.

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

A: 2
****
Q: Sentence: 'a photo of a small boat on a shore'. Find frequency of the letter 'f'

A: 1
****
Q: Sentence: 'a woman's purse on a seat by a phone'. Find frequency of the letter 'a'

A:
5
****