prompt: Q: What is the result of 66 minus 39? A: 
random_counterfactual.prompt: Q: What is the result of 52 minus 12? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 69 minus 39? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 66 minus 33? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 76 minus 39? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 66 minus 29? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 67 minus 30? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 66 minus 39? A: 