What are the nouns in this sentence?

In 1999, John went to Disney World for vacation.

1999

John
Disney World
vacation

The nouns in this sentence are:

1. 1999
2. John
3. Disney World
4. vacation

To identify the nouns in a given sentence, you need to look for words that represent people, places, things, or ideas. In the sentence "In 1999, John went to Disney World for vacation," we can identify the following nouns:

1. 1999 - This is a noun as it represents a specific year.
2. John - This is a noun as it represents a person's name.
3. Disney World - This is a noun phrase representing a specific place.
4. Vacation - This is a noun as it represents a period of leisure or time off.

By analyzing the sentence for words that fit the definition of a noun, we have identified the nouns in the sentence.