prompt: The difference between 53 and 39 is: 
random_counterfactual.prompt: The difference between 90 and 77 is: 
ones_op1_counterfactual.prompt: The difference between 59 and 39 is: 
ones_op2_counterfactual.prompt: The difference between 53 and 31 is: 
tens_op1_counterfactual.prompt: The difference between 73 and 39 is: 
tens_op2_counterfactual.prompt: The difference between 53 and 49 is: 
ones_carry_counterfactual.prompt: The difference between 59 and 35 is: 
tens_carry_counterfactual.prompt: The difference between 53 and 39 is: 