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

Ex Input:
Sentence: 'the stop sign on the corner of freeze rd and misty ln'. Count the occurrences of the word 'the' in the given sentence.

Ex Output:
2

Ex Input:
Sentence: 'a man is looking slyly at the camera while sitting at his laptop at a desk'. Count the occurrences of the word 'at' in the given sentence.

Ex Output:
3

Ex Input:
Sentence: 'a man is prepping a turkey in front of a bottle of wine'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3