prompt: Q: How much is 39 minus 17? A: 
random_counterfactual.prompt: Q: How much is 85 minus 47? A: 
ones_op1_counterfactual.prompt: Q: How much is 39 minus 17? A: 
ones_op2_counterfactual.prompt: Q: How much is 39 minus 10? A: 
tens_op1_counterfactual.prompt: Q: How much is 49 minus 17? A: 
tens_op2_counterfactual.prompt: Q: How much is 39 minus 17? A: 
ones_carry_counterfactual.prompt: Q: How much is 41 minus 19? A: 
tens_carry_counterfactual.prompt: Q: How much is 39 minus 17? A: 