prompt: Q: What is the result of 81 minus 66? A: 
random_counterfactual.prompt: Q: What is the result of 25 minus 24? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 87 minus 66? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 81 minus 60? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 91 minus 66? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 81 minus 76? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 87 minus 62? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 81 minus 66? A: 