TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a construction worker smashes away at the roof of a building'. How many words contain the letter 'b' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'there are some warning signs on a public toilet'. How many words contain the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a man parks his motor cycle on a village street'. How many words contain the letter 'y' in the sentence.

SOLUTION:
1