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

Example Input: Sentence: 'The skateboarder in jeans and t-shirt stands on the pavement next to the skateboard'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'Derek Jeter approaches the plate in a baseball game against the Giants'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A very nice looking train on the tracks'. Count the number of verbs in this sentence.
Example Output:
1