prompt: Q: What is 91 minus 48? A: 
random_counterfactual.prompt: Q: What is 57 minus 30? A: 
ones_op1_counterfactual.prompt: Q: What is 99 minus 48? A: 
ones_op2_counterfactual.prompt: Q: What is 91 minus 40? A: 
tens_op1_counterfactual.prompt: Q: What is 91 minus 48? A: 
tens_op2_counterfactual.prompt: Q: What is 91 minus 18? A: 
ones_carry_counterfactual.prompt: Q: What is 97 minus 44? A: 
tens_carry_counterfactual.prompt: Q: What is 91 minus 48? A: 