prompt: Q: How much is 71 minus 48? A: 
random_counterfactual.prompt: Q: How much is 91 minus 68? A: 
ones_op1_counterfactual.prompt: Q: How much is 79 minus 48? A: 
ones_op2_counterfactual.prompt: Q: How much is 71 minus 40? A: 
tens_op1_counterfactual.prompt: Q: How much is 91 minus 48? A: 
tens_op2_counterfactual.prompt: Q: How much is 71 minus 48? A: 
ones_carry_counterfactual.prompt: Q: How much is 73 minus 40? A: 
tens_carry_counterfactual.prompt: Q: How much is 71 minus 48? A: 