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 line of very tall buildings next to a clock tower'. How many words contain the letter 'o' in the sentence.

Answer: 4


Question: Sentence: 'man in blue shirt hitting a tennis ball back'. How many words contain the letter 'q' in the sentence.

Answer: 0


Question: Sentence: 'a small child is cooking in the kitchen'. How many words contain the letter 'o' in the sentence.

Answer:
1