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

Q: Sentence: 'a girl standing on a sidewalk holding an umbrella'. Count the occurrences of the word 'on' in the given sentence.

A: 1
****
Q: Sentence: 'a man eats food at a bench in front of a boat'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a skier on a snowy hill near a lodge'. Count the occurrences of the word 'a' in the given sentence.

A:
3
****