prompt: Q: How much is 80 minus 51? A: 
random_counterfactual.prompt: Q: How much is 98 minus 45? A: 
ones_op1_counterfactual.prompt: Q: How much is 85 minus 51? A: 
ones_op2_counterfactual.prompt: Q: How much is 80 minus 50? A: 
tens_op1_counterfactual.prompt: Q: How much is 60 minus 51? A: 
tens_op2_counterfactual.prompt: Q: How much is 80 minus 41? A: 
ones_carry_counterfactual.prompt: Q: How much is 89 minus 50? A: 
tens_carry_counterfactual.prompt: Q: How much is 80 minus 51? A: 