prompt: The difference between 77 and 52 is: 
random_counterfactual.prompt: The difference between 93 and 37 is: 
ones_op1_counterfactual.prompt: The difference between 74 and 52 is: 
ones_op2_counterfactual.prompt: The difference between 77 and 52 is: 
tens_op1_counterfactual.prompt: The difference between 87 and 52 is: 
tens_op2_counterfactual.prompt: The difference between 77 and 42 is: 
ones_carry_counterfactual.prompt: The difference between 81 and 56 is: 
tens_carry_counterfactual.prompt: The difference between 77 and 52 is: 