In this task, you need to count the number of words in a sentence that contain the given letter

Q: Sentence: 'a tree by a house has a traffic sign attached to it'. How many words contain the letter 'm' in the sentence.

A: 0
****
Q: Sentence: 'a woman in a wheelchair is about to play tennis'. How many words contain the letter 'r' in the sentence.

A: 1
****
Q: Sentence: 'several bicycles are parked along a street locked up'. How many words contain the letter 'b' in the sentence.

A:
1
****