prompt: Q: How much is 82 minus 21? A: 
random_counterfactual.prompt: Q: How much is 67 minus 43? A: 
ones_op1_counterfactual.prompt: Q: How much is 88 minus 21? A: 
ones_op2_counterfactual.prompt: Q: How much is 82 minus 21? A: 
tens_op1_counterfactual.prompt: Q: How much is 42 minus 21? A: 
tens_op2_counterfactual.prompt: Q: How much is 82 minus 71? A: 
ones_carry_counterfactual.prompt: Q: How much is 90 minus 29? A: 
tens_carry_counterfactual.prompt: Q: How much is 82 minus 21? A: 