prompt: Q: How much is 67 minus 29? A: 
random_counterfactual.prompt: Q: How much is 74 minus 71? A: 
ones_op1_counterfactual.prompt: Q: How much is 69 minus 29? A: 
ones_op2_counterfactual.prompt: Q: How much is 67 minus 25? A: 
tens_op1_counterfactual.prompt: Q: How much is 77 minus 29? A: 
tens_op2_counterfactual.prompt: Q: How much is 67 minus 59? A: 
ones_carry_counterfactual.prompt: Q: How much is 68 minus 20? A: 
tens_carry_counterfactual.prompt: Q: How much is 67 minus 29? A: 