Ключевые слова: adult, agreement, aid, arm, assistance, background, business, care, caucasian, concept, connection, cooperation, friendship, gesture, greeting, hand, hands, handshake, help, helping, holding, human, isolated, male, man, meeting, old, parent, partnership, people, person, professional, relationship, rescue, shake, shaking, sign, signing, success, support, symbol, team, teamwork, teen, together, togetherness, two, white, young,