prompt: Q: How much is 86 minus 64? A: 
random_counterfactual.prompt: Q: How much is 85 minus 65? A: 
ones_op1_counterfactual.prompt: Q: How much is 87 minus 64? A: 
ones_op2_counterfactual.prompt: Q: How much is 86 minus 62? A: 
tens_op1_counterfactual.prompt: Q: How much is 76 minus 64? A: 
tens_op2_counterfactual.prompt: Q: How much is 86 minus 64? A: 
ones_carry_counterfactual.prompt: Q: How much is 91 minus 69? A: 
tens_carry_counterfactual.prompt: Q: How much is 86 minus 64? A: 