Ключевые слова: accident, background, bubble, bubblegum, chewing, city, concept, dirty, feet, female, foot, footwear, garbage, gum, idea, leg, nasty, outdoors, pavement, person, problem, psychology, road, rubber, rubbish, shoe, sneaker, sole, step, stickiness, sticky, street, stretch, stuck, trouble, unlucky, walking, woman,