instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'group of snowboarders on a snowy trail overlooking a mountain'. Find frequency of the letter 'r'
answer:
5


question:
Sentence: 'there is no image here to provide a caption for'. Find frequency of the letter 'o'
answer:
5


question:
Sentence: 'sheep grazing in a pasture in front of trees'. Find frequency of the letter 'f'
answer:

2