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 blue and white sign attached to a building'. How many words start with the letter 'a' in the sentence.

Answer: 4


Question: Sentence: 'a hotdog with onions on it is sitting on tinfoil'. How many words start with the letter 'o' in the sentence.

Answer: 3


Question: Sentence: 'a young boy standing in front of a themed birthday cake'. How many words start with the letter 'a' in the sentence.

Answer:
2