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

Input: Consider Input: Sentence: 'A duckling swims in a pond and catches some food'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'The tower of the building has a clock displayed on the front of it'. Count the number of nouns in this sentence.

Output: 4


Input: Consider Input: Sentence: 'A young man seems excited about a sandwich and french fries'. Count the number of verbs in this sentence.


Output: 1