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

Example Input: Sentence: 'some street signs sitting by a tree'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A tiled white bathroom with urinals and tile windows'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'A pink flower is sticking out of a green vase'. Count the number of verbs in this sentence.
Example Output:
1