prompt: Q: How much is 47 minus 31? A: 
random_counterfactual.prompt: Q: How much is 74 minus 45? A: 
ones_op1_counterfactual.prompt: Q: How much is 42 minus 31? A: 
ones_op2_counterfactual.prompt: Q: How much is 47 minus 34? A: 
tens_op1_counterfactual.prompt: Q: How much is 77 minus 31? A: 
tens_op2_counterfactual.prompt: Q: How much is 47 minus 31? A: 
ones_carry_counterfactual.prompt: Q: How much is 52 minus 36? A: 
tens_carry_counterfactual.prompt: Q: How much is 47 minus 31? A: 