prompt: Q: What is the result of 64 minus 31? A: 
random_counterfactual.prompt: Q: What is the result of 71 minus 19? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 67 minus 31? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 64 minus 33? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 44 minus 31? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 64 minus 21? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 72 minus 39? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 64 minus 31? A: 