prompt: The difference between 60 and 20 is: 
random_counterfactual.prompt: The difference between 99 and 71 is: 
ones_op1_counterfactual.prompt: The difference between 63 and 20 is: 
ones_op2_counterfactual.prompt: The difference between 60 and 20 is: 
tens_op1_counterfactual.prompt: The difference between 50 and 20 is: 
tens_op2_counterfactual.prompt: The difference between 60 and 10 is: 
ones_carry_counterfactual.prompt: The difference between 60 and 22 is: 
tens_carry_counterfactual.prompt: The difference between 60 and 20 is: 