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

Example Input: Sentence: 'there are a group elephants that can be seen in the wild'. Count the number of verbs in this sentence.
Example Output: 1

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 man with a broken baseball bat standing in the dirt'. Count the number of nouns in this sentence.
Example Output:
4