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 young man laying on top of a white toilet seat near a sink'. How many words start with the letter 'a' in the sentence.

A: 3
****
Q: Sentence: 'a man holding up a smart phone with both hands'. How many words start with the letter 'm' in the sentence.

A: 1
****
Q: Sentence: 'a man jumping up a little while trying to hit a tennis ball'. How many words start with the letter 'a' in the sentence.

A:
3
****