Three different girls tell Gus that Titanic is their all-time favorite movie. He concludes that all girls love that movie. Gus has just used .

inductive reasoning

Explanation:

Based on the information provided within the question it can be said that in this scenario Gus has just use the concept of inductive reasoning. This is a method of reasoning in which an individual uses a couple of statements, and generalizes them in order to form a conclusion, which can either be true or false. In this scenario Gus took the statements made by the Girls and decided from them that all girls love the movie Titanic.

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under