prompt: Q: How much is 68 minus 48? A: 
random_counterfactual.prompt: Q: How much is 98 minus 26? A: 
ones_op1_counterfactual.prompt: Q: How much is 69 minus 48? A: 
ones_op2_counterfactual.prompt: Q: How much is 68 minus 46? A: 
tens_op1_counterfactual.prompt: Q: How much is 88 minus 48? A: 
tens_op2_counterfactual.prompt: Q: How much is 68 minus 18? A: 
ones_carry_counterfactual.prompt: Q: How much is 63 minus 47? A: 
tens_carry_counterfactual.prompt: Q: How much is 68 minus 48? A: 