instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'an elephant has taken a man's hat in its trunk'. Find frequency of the letter 'p'
answer:
1


question:
Sentence: 'two elephants facing each other touching trunks in an enclosure'. Find frequency of the letter 'f'
answer:
1


question:
Sentence: 'a man is doing a trick on a yellow skateboard'. Find frequency of the letter 'a'
answer:

6