Those "four beasts" means "four powers" that come up out of the earth, and those four powers was the four Gospels: Matthew, Mark, Luke, and John; one don't contradict the other one.
Tseo "dibupuwa tse nne" dibolela "matla amane" a tswang lefatsheng, mme matla ao a mane ene ele Evangedi tse nne: Mattheu, Mareka, Luka, le Johanne; hadi thulane.