20-25, 20-30, 20's, 20s, 25-30, adult, african, african american, african-american, afro american, afro-american, chatting, cheerful, child, children, class, color, colour, communicating, communication, conversation, conversing, curious, daylight, daytime, delighted, dialog, dialogue, discussing, educating, educator, enjoyment, fellow, female, gal, glad, gratifying, group, happy, head & shoulders, hearing, human, human being, indoor, information, inside, instructing, instruction, intelligence, interest, jolly, joy, juvenile, kid, lad, lady, lighthearted, listener, male, merry, minor, of african descent, person, pleasing, pleasure, pre-adolescent, pupil, satisfaction, schoolmate, schoolroom, seated, smile, speaking, studying, talker, together, training, tuition, tutor, tutoring, twenties, twenty, waist-up, western european, wisdom, women, young, youngster, youth,
