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 small airplane sitting on top of a runway'. How many words start with the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a young girl wearing a pink tie and glasses'. How many words start with the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a small propeller plane sitting underneath a covering at an airport'. How many words start with the letter 'a' in the sentence.

Answer:
5