prompt: Q: What is 68 minus 48? A: 
random_counterfactual.prompt: Q: What is 72 minus 38? A: 
ones_op1_counterfactual.prompt: Q: What is 69 minus 48? A: 
ones_op2_counterfactual.prompt: Q: What is 68 minus 44? A: 
tens_op1_counterfactual.prompt: Q: What is 78 minus 48? A: 
tens_op2_counterfactual.prompt: Q: What is 68 minus 18? A: 
ones_carry_counterfactual.prompt: Q: What is 62 minus 43? A: 
tens_carry_counterfactual.prompt: Q: What is 68 minus 48? A: 