instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a stuffed animal sitting on an empty bed'. Find frequency of the letter 'u'
answer:
1


question:
Sentence: 'a person riding a camel in front of a truck'. Find frequency of the letter 't'
answer:
2


question:
Sentence: 'a large blue toilet sitting on a tiled bathroom floor'. Find frequency of the letter 'i'
answer:

4