prompt: Q: How much is 86 minus 43? A: 
random_counterfactual.prompt: Q: How much is 23 minus 18? A: 
ones_op1_counterfactual.prompt: Q: How much is 85 minus 43? A: 
ones_op2_counterfactual.prompt: Q: How much is 86 minus 44? A: 
tens_op1_counterfactual.prompt: Q: How much is 66 minus 43? A: 
tens_op2_counterfactual.prompt: Q: How much is 86 minus 53? A: 
ones_carry_counterfactual.prompt: Q: How much is 92 minus 49? A: 
tens_carry_counterfactual.prompt: Q: How much is 86 minus 43? A: 