prompt: The difference between 91 and 80 is: 
random_counterfactual.prompt: The difference between 85 and 63 is: 
ones_op1_counterfactual.prompt: The difference between 94 and 80 is: 
ones_op2_counterfactual.prompt: The difference between 91 and 80 is: 
tens_op1_counterfactual.prompt: The difference between 91 and 80 is: 
tens_op2_counterfactual.prompt: The difference between 91 and 30 is: 
ones_carry_counterfactual.prompt: The difference between 100 and 89 is: 
tens_carry_counterfactual.prompt: The difference between 91 and 80 is: 