prompt: Q: How much is 73 minus 28? A: 
random_counterfactual.prompt: Q: How much is 83 minus 38? A: 
ones_op1_counterfactual.prompt: Q: How much is 79 minus 28? A: 
ones_op2_counterfactual.prompt: Q: How much is 73 minus 21? A: 
tens_op1_counterfactual.prompt: Q: How much is 63 minus 28? A: 
tens_op2_counterfactual.prompt: Q: How much is 73 minus 18? A: 
ones_carry_counterfactual.prompt: Q: How much is 76 minus 21? A: 
tens_carry_counterfactual.prompt: Q: How much is 73 minus 28? A: 