prompt: Q: How much is 79 minus 19? A: 
random_counterfactual.prompt: Q: How much is 82 minus 41? A: 
ones_op1_counterfactual.prompt: Q: How much is 79 minus 19? A: 
ones_op2_counterfactual.prompt: Q: How much is 79 minus 10? A: 
tens_op1_counterfactual.prompt: Q: How much is 99 minus 19? A: 
tens_op2_counterfactual.prompt: Q: How much is 79 minus 19? A: 
ones_carry_counterfactual.prompt: Q: How much is 71 minus 12? A: 
tens_carry_counterfactual.prompt: Q: How much is 79 minus 19? A: 