prompt: The difference between 40 and 39 is: 
random_counterfactual.prompt: The difference between 84 and 29 is: 
ones_op1_counterfactual.prompt: The difference between 49 and 39 is: 
ones_op2_counterfactual.prompt: The difference between 40 and 30 is: 
tens_op1_counterfactual.prompt: The difference between 90 and 39 is: 
tens_op2_counterfactual.prompt: The difference between 40 and 19 is: 
ones_carry_counterfactual.prompt: The difference between 46 and 35 is: 
tens_carry_counterfactual.prompt: The difference between 40 and 39 is: 