prompt: Q: How much is 79 minus 15? A: 
random_counterfactual.prompt: Q: How much is 82 minus 75? A: 
ones_op1_counterfactual.prompt: Q: How much is 77 minus 15? A: 
ones_op2_counterfactual.prompt: Q: How much is 79 minus 15? A: 
tens_op1_counterfactual.prompt: Q: How much is 89 minus 15? A: 
tens_op2_counterfactual.prompt: Q: How much is 79 minus 45? A: 
ones_carry_counterfactual.prompt: Q: How much is 83 minus 19? A: 
tens_carry_counterfactual.prompt: Q: How much is 79 minus 15? A: 