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: 'some zebras standing around in a special area'. How many words start with the letter 'i' in the sentence.
[A]: 1

[Q]: Sentence: 'a sandwich vegetables and a beer sitting on a table'. How many words start with the letter 'a' in the sentence.
[A]: 4

[Q]: Sentence: 'a teddy bear wearing a red jacket sits on a beige carpet'. How many words start with the letter 'a' in the sentence.
[A]:
3