prompt: Q: What is 81 minus 27? A: 
random_counterfactual.prompt: Q: What is 72 minus 26? A: 
ones_op1_counterfactual.prompt: Q: What is 89 minus 27? A: 
ones_op2_counterfactual.prompt: Q: What is 81 minus 20? A: 
tens_op1_counterfactual.prompt: Q: What is 81 minus 27? A: 
tens_op2_counterfactual.prompt: Q: What is 81 minus 47? A: 
ones_carry_counterfactual.prompt: Q: What is 84 minus 20? A: 
tens_carry_counterfactual.prompt: Q: What is 81 minus 27? A: 