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: 'an officer sits on a brown horse on a city street'. How many words start with the letter 'o' in the sentence.

Answer: 3


Question: Sentence: 'a computer with a farm on the screen on top of a desk'. How many words start with the letter 'o' in the sentence.

Answer: 3


Question: Sentence: 'a deer standing by the side of the road'. How many words start with the letter 's' in the sentence.

Answer:
2