instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a man with a large grey and black beard and glasses and a tie'. Find frequency of the letter 'e'
answer:
5


question:
Sentence: 'a person holding a wine glass in one hand and bread sticks in the other'. Find frequency of the letter 'd'
answer:
4


question:
Sentence: 'a man is holding a wheel containing kite line'. Find frequency of the letter 'e'
answer:

4