Welcome to the CSE 143 random sentence generator! What is the name of the grammar file? simple.txt Available symbols to generate are: [exp, num, op] What do you want to generate (Enter to quit)? num How many do you want me to generate? 5 9 4 1 9 1 Available symbols to generate are: [exp, num, op] What do you want to generate (Enter to quit)? exp How many do you want me to generate? 5 3 * 3 7 - 9 7 / 9 9 - 6 5 + 4 Available symbols to generate are: [exp, num, op] What do you want to generate (Enter to quit)?