instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a woman standing next to a man on a motorcycle in front of a market'. Find frequency of the letter 'l'
answer:
1

question:
Sentence: 'a man riding a skateboard up the side of a ramp'. Find frequency of the letter 'u'
answer:
1

question:
Sentence: 'over cast sky looming over a large building'. Find frequency of the letter 't'
answer:
1