0 1 5 You try to get someone's attention.~ $n is trying to get someone's attention.~ You tap $M lightly on the shoulder, trying to get $S attention.~ $n taps $N on the shoulder, trying to get $S attention.~ $n taps you and the shoulder, trying to get your attention.~ Your arm isn't that long, they've left.~ You keep glancing over your shoulder with a paranoid look.~ $n keeps glancing over $s shoulder with a paranoid look.~