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: 'an older airplane flying above buildings and fields'. How many words start with the letter 'a' in the sentence.

A: 4
****
Q: Sentence: 'green plants growing in a garden on the ground'. How many words start with the letter 'g' in the sentence.

A: 4
****
Q: Sentence: 'a man flies a kite in the parkl'. How many words start with the letter 'p' in the sentence.

A:
1
****