In this task, you need to count the number of words in a sentence that contain the given letter
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Question: Sentence: 'a pizza with sauce cheese and sausage sitting on a table'. How many words contain the letter 's' in the sentence.

Answer: 4


Question: Sentence: 'a car stopped at a red light at an intersection'. How many words contain the letter 'l' in the sentence.

Answer: 1


Question: Sentence: 'several people including a small boy in blue shorts are on a grassy area while a woman holds a red kite that flies just over the little boys head'. How many words contain the letter 'u' in the sentence.

Answer:
3