my friends

Sofa is taller than Karina but Vlad is the tallest.
Alex is happier than Dima but Masha is the happest.
Arina is faster than Vika but Zhasmin is the fastest.
Polina is shorter than Mitya but Ksusha is the shortest.
Artyom is worse than Gleb but Mitya is the worst.
Vika is nicer than Arina but Ksusha is the nicest.