You chose incorrectly
Allow us to point out what gives this away as the wrong choice.

Is it too good to be true? Then it most likely is.
No, you didn’t actually win free tickets to an all-inclusive Caribbean cruise nor a million dollars from another country.
Anything that is made out to be free for nothing in return is most likely illegitimate. Sometimes, they’ll even try to fool you like the example above, making it sound more legit by making you pay a little. When you receive a pop-up like this, exit out of the browser or application that caused the pop-up and, if possible, avoid that website altogether.