prompt: Q: How much is 98 minus 81? A: 
random_counterfactual.prompt: Q: How much is 96 minus 67? A: 
ones_op1_counterfactual.prompt: Q: How much is 96 minus 81? A: 
ones_op2_counterfactual.prompt: Q: How much is 98 minus 87? A: 
tens_op1_counterfactual.prompt: Q: How much is 98 minus 81? A: 
tens_op2_counterfactual.prompt: Q: How much is 98 minus 21? A: 
ones_carry_counterfactual.prompt: Q: How much is 100 minus 83? A: 
tens_carry_counterfactual.prompt: Q: How much is 98 minus 81? A: 