prompt: Q: What is 87 minus 66? A: 
random_counterfactual.prompt: Q: What is 85 minus 55? A: 
ones_op1_counterfactual.prompt: Q: What is 89 minus 66? A: 
ones_op2_counterfactual.prompt: Q: What is 87 minus 61? A: 
tens_op1_counterfactual.prompt: Q: What is 77 minus 66? A: 
tens_op2_counterfactual.prompt: Q: What is 87 minus 76? A: 
ones_carry_counterfactual.prompt: Q: What is 90 minus 69? A: 
tens_carry_counterfactual.prompt: Q: What is 87 minus 66? A: 