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

Example Input: Sentence: 'A street sign of some sort in the middle of some road'. Count the number of nouns in this sentence.
Example Output: 5

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 toilet with a raised seats and controls on a side arm'. Count the number of verbs in this sentence.
Example Output:
1