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

Example Input: Sentence: 'A teddy bear sitting on top of a metal bench'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A large and baby cow are on tall grass'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'Giraffes in a high grassy field in the wild'. Count the number of verbs in this sentence.
Example Output:
0