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

[Q]: Sentence: 'a group of people standing outside in a park eating food on paper plates'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a large clock mounted to the side of a tall building'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a group of people riding bikes next to a lot of trees'. Count the occurrences of the word 'group' in the given sentence.
[A]:
1