prompt: Q: What is the result of 31 minus 30? A: 
random_counterfactual.prompt: Q: What is the result of 51 minus 50? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 36 minus 30? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 31 minus 30? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 61 minus 30? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 31 minus 10? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 40 minus 39? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 31 minus 30? A: 