prompt: Q: What is 80 minus 51? A: 
random_counterfactual.prompt: Q: What is 71 minus 30? A: 
ones_op1_counterfactual.prompt: Q: What is 89 minus 51? A: 
ones_op2_counterfactual.prompt: Q: What is 80 minus 50? A: 
tens_op1_counterfactual.prompt: Q: What is 80 minus 51? A: 
tens_op2_counterfactual.prompt: Q: What is 80 minus 11? A: 
ones_carry_counterfactual.prompt: Q: What is 89 minus 50? A: 
tens_carry_counterfactual.prompt: Q: What is 80 minus 51? A: 