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

Q: Sentence: 'a baseball player is running in a field'. Count the occurrences of the word 'a' in the given sentence.

A: 2
****
Q: Sentence: 'a man at a bar tasting wine that is lined out on the bar counter top'. Count the occurrences of the word 'on' in the given sentence.

A: 1
****
Q: Sentence: 'a train on a train track with power lines above'. Count the occurrences of the word 'a' in the given sentence.

A:
2
****