instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a closet with a fan, luggage and various boxes'. Find frequency of the letter 'a'
answer:
6


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


question:
Sentence: 'an empty bathroom with a very clean sink'. Find frequency of the letter 'h'
answer:

2