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.

Q: Sentence: 'a boat in a canal and a peddled bike taxi cart in snow with residences'. How many words start with the letter 'a' in the sentence.

A: 4
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Q: Sentence: 'a bathroom sink with two large sinks under a mirror'. How many words start with the letter 's' in the sentence.

A: 2
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Q: Sentence: 'an image of an airplane that is gliding across water'. How many words start with the letter 'w' in the sentence.

A:
1
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