In this task, you need to count the occurrences of the given word in the given sentence.

Q: Sentence: 'a lady that is at a sink in a kitchen'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a man fills a tin with a liquid substance'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a group of young men in formal dress and a woman pose on a set of stairs'. Count the occurrences of the word 'of' in the given sentence.

A:
2
****