TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a man riding a skateboard up the side of a ramp'. Find frequency of the letter 'u'

SOLUTION: 1

PROBLEM: Sentence: 'two indian women in colorful garb standing barefoot with two indian men'. Find frequency of the letter 'd'

SOLUTION: 3

PROBLEM: Sentence: 'a man holding a glass speaking to someone'. Find frequency of the letter 'i'

SOLUTION:
2