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 person is riding a bicycle on the street'. How many words contain the letter 'b' in the sentence.

Answer: 1


Question: Sentence: 'a mother and son holding wii controls in front of a christmas fireplace'. How many words contain the letter 'x' in the sentence.

Answer: 0


Question: Sentence: 'a group of people dressed to ski standing in the snow'. How many words contain the letter 'b' in the sentence.

Answer:
0