prompt: Q: How much is 87 minus 46? A: 
random_counterfactual.prompt: Q: How much is 28 minus 12? A: 
ones_op1_counterfactual.prompt: Q: How much is 87 minus 46? A: 
ones_op2_counterfactual.prompt: Q: How much is 87 minus 40? A: 
tens_op1_counterfactual.prompt: Q: How much is 87 minus 46? A: 
tens_op2_counterfactual.prompt: Q: How much is 87 minus 26? A: 
ones_carry_counterfactual.prompt: Q: How much is 90 minus 49? A: 
tens_carry_counterfactual.prompt: Q: How much is 87 minus 46? A: 