prompt: The difference between 91 and 24 is: 
random_counterfactual.prompt: The difference between 78 and 34 is: 
ones_op1_counterfactual.prompt: The difference between 97 and 24 is: 
ones_op2_counterfactual.prompt: The difference between 91 and 20 is: 
tens_op1_counterfactual.prompt: The difference between 91 and 24 is: 
tens_op2_counterfactual.prompt: The difference between 91 and 84 is: 
ones_carry_counterfactual.prompt: The difference between 98 and 21 is: 
tens_carry_counterfactual.prompt: The difference between 91 and 24 is: 