The power to change one's biological sex and sexual preferences

"Go for the power to change sex and sexuality!" Cedric decides after some reflection.

On the application appears the following message: "Congratulations! You have unlocked the power to change the biological sex and sexual preferences of everyone around you! Do you want to give it a try right now?".

Cedric is still wondering if this is a joke or not. His curiosity and the fact that he doesn't take the application seriously leads him to agree. As soon as he presses the "OK" button, a long list of first and last names is displayed. Cedric recognizes some of them, among them are indeed neighbors.

"Damn, how can they get this information?! There's even... their sexual preferences! Damn, I didn't know Mr. Martin (the janitor) was gay. Still, that explains a lot... "

Above the list, the message "Select a person from the list" is waiting for an answer.