prompt: Q: How much is 89 minus 80? A: 
random_counterfactual.prompt: Q: How much is 57 minus 43? A: 
ones_op1_counterfactual.prompt: Q: How much is 88 minus 80? A: 
ones_op2_counterfactual.prompt: Q: How much is 89 minus 86? A: 
tens_op1_counterfactual.prompt: Q: How much is 99 minus 80? A: 
tens_op2_counterfactual.prompt: Q: How much is 89 minus 20? A: 
ones_carry_counterfactual.prompt: Q: How much is 96 minus 87? A: 
tens_carry_counterfactual.prompt: Q: How much is 89 minus 80? A: 