Which statement is correct?

Hippopotamuses are more closely related to cows than to javelinas
Toothed whales are more closely related to mouse deer than to hippopotamuses
Javelinas and pigs are more closely related than baleen whales and toothed whales
Cows and mouse deer are more closely related than javelinas and pigs

Cows and mouse deer are more closely related than javelinas and pigs.