prompt: Q: What is 81 minus 56? A: 
random_counterfactual.prompt: Q: What is 79 minus 45? A: 
ones_op1_counterfactual.prompt: Q: What is 87 minus 56? A: 
ones_op2_counterfactual.prompt: Q: What is 81 minus 50? A: 
tens_op1_counterfactual.prompt: Q: What is 71 minus 56? A: 
tens_op2_counterfactual.prompt: Q: What is 81 minus 26? A: 
ones_carry_counterfactual.prompt: Q: What is 89 minus 54? A: 
tens_carry_counterfactual.prompt: Q: What is 81 minus 56? A: 