instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'bananas are being dried in a tropical setting'. Find frequency of the letter 'i'
answer:
5

question:
Sentence: 'three elephants walk up a dirt trail from the water'. Find frequency of the letter 'l'
answer:
3

question:
Sentence: 'a man watches a woman behind a counter use a cell phone'. Find frequency of the letter 'c'
answer:
3