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.

Sentence: 'a young kid in a hat with a parrot on his shoulder'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'a young man in a suit looks down and adjusts his tie'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'there is a teddy bear looking outside of a window'. How many words start with the letter 'a' in the sentence.

2