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

Example Input: Sentence: 'A picture of a cat looking at its reflection in the water'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A train car with four beds next to a window'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A shirtless man swinging at a tennis ball'. Count the number of verbs in this sentence.
Example Output:
1