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: 'stuffed monkey surrounded by bananas with a bunch on his head'. How many words start with the letter 'b' in the sentence.
3

Sentence: 'a little boy sitting at a table with a spoon full of food'. How many words start with the letter 's' in the sentence.
2

Sentence: 'a man sitting on a wooden park bench wearing a hat'. How many words start with the letter 'a' in the sentence.

3