prompt: Q: How much is 81 minus 27? A: 
random_counterfactual.prompt: Q: How much is 56 minus 10? A: 
ones_op1_counterfactual.prompt: Q: How much is 89 minus 27? A: 
ones_op2_counterfactual.prompt: Q: How much is 81 minus 20? A: 
tens_op1_counterfactual.prompt: Q: How much is 81 minus 27? A: 
tens_op2_counterfactual.prompt: Q: How much is 81 minus 47? A: 
ones_carry_counterfactual.prompt: Q: How much is 86 minus 22? A: 
tens_carry_counterfactual.prompt: Q: How much is 81 minus 27? A: 