TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'the two ladies was sitting  on the sofa'. How many words contain the letter 'l' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a business man is talking on the phone'. How many words contain the letter 'e' in the sentence.

SOLUTION:
3