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

Sentence: 'a little kid skiing down a hill holding ski poles'. Count the occurrences of the word 'a' in the given sentence.
2

Sentence: 'a person is holding a bat at a baseball game'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a variety of vehicles travel along the road'. Count the occurrences of the word 'travel' in the given sentence.

1