In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.
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Question: Sentence: 'a green mail box sitting next to a white brick building'. How many words start with the letter 'b' in the sentence.

Answer: 3


Question: Sentence: 'a person riding their mountain bike off road'. How many words start with the letter 'r' in the sentence.

Answer: 2


Question: Sentence: 'the encompassing of an outside town in the picture'. How many words start with the letter 't' in the sentence.

Answer:
3