TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'people seated on a table looking very happy'. Find frequency of the letter 'g'

SOLUTION: 1

PROBLEM: Sentence: 'a picture of a machine built next to a street'. Find frequency of the letter 'x'

SOLUTION: 1

PROBLEM: Sentence: 'a girl looks at a cell phone while at her fruit stall in the market'. Find frequency of the letter 'o'

SOLUTION:
3