Ключевые слова: alert, alertness, animal, ape, blue, bored, bother, bothered, cercopithecidae, chlorocebus, concentrated, creature, cut, guenons, isolated, laziness, mammal, monkey, portrait, primate, profile, pygerythrus, sad, saddening, sadness, shot, side, sitting, studio, think, tide, tired, vertebrate, vertical, vervet, view, weary, white,