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 photograph of a vase through its glass showcase'. How many words start with the letter 'i' in the sentence.
1

Sentence: 'a woman sitting in a chair next to a lot of vases'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'a man inside of a car taking a picture of himself'. How many words start with the letter 'p' in the sentence.

1