prompt: Q: What is 41 minus 39? A: 
random_counterfactual.prompt: Q: What is 43 minus 40? A: 
ones_op1_counterfactual.prompt: Q: What is 49 minus 39? A: 
ones_op2_counterfactual.prompt: Q: What is 41 minus 30? A: 
tens_op1_counterfactual.prompt: Q: What is 81 minus 39? A: 
tens_op2_counterfactual.prompt: Q: What is 41 minus 39? A: 
ones_carry_counterfactual.prompt: Q: What is 48 minus 36? A: 
tens_carry_counterfactual.prompt: Q: What is 41 minus 39? A: 