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

Input: Consider Input: Sentence: 'train cars lined up under a bridge full of traffic'. Count the occurrences of the word 'under' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a group of people sitting around a table with wine glasses and plates'. Count the occurrences of the word 'group' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a microwave a clothing iron and a candles make an unusual grouping'. Count the occurrences of the word 'a' in the given sentence.


Output: 3