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

Ex Input:
Sentence: 'a red yellow and white firetruck and some trees smoke and fire'. Count the occurrences of the word 'and' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'an old airfield with french officers talking and a two winged plane'. Count the occurrences of the word 'old' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a close up of a woman sitting on a surfboard in the water with several people in the background'. Count the occurrences of the word 'with' in the given sentence.

Ex Output:

1