prompt: Q: What is the result of 68 minus 48? A: 
random_counterfactual.prompt: Q: What is the result of 81 minus 64? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 69 minus 48? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 68 minus 42? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 78 minus 48? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 68 minus 18? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 60 minus 42? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 68 minus 48? A: 