prompt: Q: What is the result of 91 minus 51? A: 
random_counterfactual.prompt: Q: What is the result of 53 minus 39? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 93 minus 51? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 91 minus 50? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 91 minus 51? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 91 minus 51? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 92 minus 53? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 91 minus 51? A: 