prompt: Q: What is 91 minus 71? A: 
random_counterfactual.prompt: Q: What is 54 minus 47? A: 
ones_op1_counterfactual.prompt: Q: What is 96 minus 71? A: 
ones_op2_counterfactual.prompt: Q: What is 91 minus 70? A: 
tens_op1_counterfactual.prompt: Q: What is 91 minus 71? A: 
tens_op2_counterfactual.prompt: Q: What is 91 minus 21? A: 
ones_carry_counterfactual.prompt: Q: What is 93 minus 77? A: 
tens_carry_counterfactual.prompt: Q: What is 91 minus 71? A: 