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 woman is holding some cupcakes with candles and a kitchen and a baby in a chair'. How many words start with the letter 'k' in the sentence.
1

Sentence: 'two men on ski boards in the midst of a blizzard'. How many words start with the letter 's' in the sentence.
1

Sentence: 'two horses standing in the grass by a bighouse'. How many words start with the letter 't' in the sentence.

2