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

[EX Q]: Sentence: 'a fire hydrant on the side of the road near a building'. How many words contain the letter 'a' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a gothic tower features a clock near a river'. How many words contain the letter 'e' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a man dressed in uniform touching a subway door with a full subway'. How many words contain the letter 'g' in the sentence.
[EX A]:
1