In the sentence We arrived after breakfast. is word Conjunction or Preposition.?

In the sentence "We arrived after breakfast," the word after is a preposition.

Here's why:

* Prepositions show the relationship between a noun or pronoun and another word in the sentence. In this case, "after" shows the relationship between the verb "arrived" and the noun phrase "breakfast." It tells us that the arrival happened *following* breakfast.

* Conjunctions connect words, phrases, or clauses. Examples include "and," "but," "or," and "because."