In this task, you need to count the number of nouns/verbs in the given sentence.

Example Input: Sentence: 'The street sign for Ronald Reagan Allee in Berlin'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'a couple of women play a game of tennis'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A man using ski poles to climb the side of a mountain with his skies strapped to his back'. Count the number of verbs in this sentence.
Example Output:
2