prompt: Q: How much is 55 minus 21? A: 
random_counterfactual.prompt: Q: How much is 82 minus 53? A: 
ones_op1_counterfactual.prompt: Q: How much is 58 minus 21? A: 
ones_op2_counterfactual.prompt: Q: How much is 55 minus 23? A: 
tens_op1_counterfactual.prompt: Q: How much is 35 minus 21? A: 
tens_op2_counterfactual.prompt: Q: How much is 55 minus 31? A: 
ones_carry_counterfactual.prompt: Q: How much is 62 minus 28? A: 
tens_carry_counterfactual.prompt: Q: How much is 55 minus 21? A: 