prompt: The difference between 67 and 19 is: 
random_counterfactual.prompt: The difference between 90 and 22 is: 
ones_op1_counterfactual.prompt: The difference between 69 and 19 is: 
ones_op2_counterfactual.prompt: The difference between 67 and 10 is: 
tens_op1_counterfactual.prompt: The difference between 27 and 19 is: 
tens_op2_counterfactual.prompt: The difference between 67 and 39 is: 
ones_carry_counterfactual.prompt: The difference between 68 and 10 is: 
tens_carry_counterfactual.prompt: The difference between 67 and 19 is: 