Action Expr Handle none 8,1 6,1 shift reduce 8 reduce 6 3 Consider the following grammar and bottom-up parsing example: 0 Goal Expr Stack Input 1 Expr+ Term $ id - num * id 2 1 Expr- Term $ id - numid 1 Term $ Factor -numid 4 $ Term Term Term Factor - numid $ Expr 1 Term/ Factor num * id I Factor 7 Factor number 8 1 id 9 I (Expr) What is the missing handle? 5 6 13 15 1.6