prompt: The difference between 56 and 15 is: 
random_counterfactual.prompt: The difference between 90 and 20 is: 
ones_op1_counterfactual.prompt: The difference between 56 and 15 is: 
ones_op2_counterfactual.prompt: The difference between 56 and 12 is: 
tens_op1_counterfactual.prompt: The difference between 66 and 15 is: 
tens_op2_counterfactual.prompt: The difference between 56 and 35 is: 
ones_carry_counterfactual.prompt: The difference between 60 and 19 is: 
tens_carry_counterfactual.prompt: The difference between 56 and 15 is: 