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

Q: Sentence: 'a computer tore apart by a monitor keyboard and mouse on a desk'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a man with a fake red nose holds a giant sunflower'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a ram on a rocky hillside in the sun'. Count the occurrences of the word 'on' in the given sentence.

A:
1
****