instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'two elephants facing each other touching trunks in an enclosure'. Find frequency of the letter 'f'
answer:
1


question:
Sentence: 'a grey hummingbird by fence and tree branches'. Find frequency of the letter 'y'
answer:
2


question:
Sentence: 'a couple of people on bikes ride through the street'. Find frequency of the letter 'o'
answer:

5