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 number of motorcycles are on display at a museum'. How many words start with the letter 'o' in the sentence.

Answer: 2


Question: Sentence: 'a busy train yard packed with trains and tracks'. How many words start with the letter 't' in the sentence.

Answer: 3


Question: Sentence: 'a white and brown dog is sitting in a red chair'. How many words start with the letter 'a' in the sentence.

Answer:
3