prompt: Q: How much is 85 minus 29? A: 
random_counterfactual.prompt: Q: How much is 89 minus 19? A: 
ones_op1_counterfactual.prompt: Q: How much is 89 minus 29? A: 
ones_op2_counterfactual.prompt: Q: How much is 85 minus 21? A: 
tens_op1_counterfactual.prompt: Q: How much is 95 minus 29? A: 
tens_op2_counterfactual.prompt: Q: How much is 85 minus 79? A: 
ones_carry_counterfactual.prompt: Q: How much is 87 minus 21? A: 
tens_carry_counterfactual.prompt: Q: How much is 85 minus 29? A: 