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

Input: Consider Input: Sentence: 'a sign pointing towards a mcdonalds is posted on a traffic light pole'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'blue flowers with green stems next to white flowers in a vase'. Count the occurrences of the word 'flowers' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a metal sink with cups bottles and straws on it'. Count the occurrences of the word 'a' in the given sentence.


Output: 1