prompt: Q: How much is 80 minus 41? A: 
random_counterfactual.prompt: Q: How much is 25 minus 15? A: 
ones_op1_counterfactual.prompt: Q: How much is 85 minus 41? A: 
ones_op2_counterfactual.prompt: Q: How much is 80 minus 40? A: 
tens_op1_counterfactual.prompt: Q: How much is 90 minus 41? A: 
tens_op2_counterfactual.prompt: Q: How much is 80 minus 51? A: 
ones_carry_counterfactual.prompt: Q: How much is 89 minus 40? A: 
tens_carry_counterfactual.prompt: Q: How much is 80 minus 41? A: 