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

[Q]: Sentence: 'a line of very tall buildings next to a clock tower'. How many words contain the letter 'o' in the sentence.
[A]: 4


[Q]: Sentence: 'he wants everyone to know that he has serious intentions for the tennis game'. How many words contain the letter 'h' in the sentence.
[A]: 5


[Q]: Sentence: 'two sandwiches and a pickle sit upon a plate'. How many words contain the letter 'h' in the sentence.
[A]:
1