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

Input: Consider Input: Sentence: 'two women walking down a street holding an umbrella'. Count the occurrences of the word 'a' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a little kid skiing down a hill holding ski poles'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a toddler at christmas time is playing with an elaborate train set'. Count the occurrences of the word 'playing' in the given sentence.


Output: 1