The Sahara Desert begins at the Atlantic Ocean and extends to the Red Sea.
This statement about the giraffes is a logical fallacy called hasty generalization.
The boy thinks that if one giraffe was friendly to him, that all giraffes are bound to do the same - he is generalizing something that doesn't have to be correct.
The correct answer is "a technique used in writing or speaking that is intended to persuade". There are numerous ways of doing this, however the most famous is using the three rhetorical techniques used by Cicero, the ethos, logos, and pathos.
