prompt: Q: How much is 68 minus 27? A: 
random_counterfactual.prompt: Q: How much is 66 minus 55? A: 
ones_op1_counterfactual.prompt: Q: How much is 68 minus 27? A: 
ones_op2_counterfactual.prompt: Q: How much is 68 minus 24? A: 
tens_op1_counterfactual.prompt: Q: How much is 38 minus 27? A: 
tens_op2_counterfactual.prompt: Q: How much is 68 minus 47? A: 
ones_carry_counterfactual.prompt: Q: How much is 70 minus 29? A: 
tens_carry_counterfactual.prompt: Q: How much is 68 minus 27? A: 