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.
--------
Question: Sentence: 'a close up of a dog standing on a rug'. How many words start with the letter 'o' in the sentence.

Answer: 2


Question: Sentence: 'a woman walks in the street in the rain'. How many words start with the letter 'i' in the sentence.

Answer: 2


Question: Sentence: 'a laptop computer on a metal stand at the edge of a park'. How many words start with the letter 'a' in the sentence.

Answer:
4