prompt: Q: What is the result of 51 minus 21? A: 
random_counterfactual.prompt: Q: What is the result of 99 minus 57? A: 
ones_op1_counterfactual.prompt: Q: What is the result of 59 minus 21? A: 
ones_op2_counterfactual.prompt: Q: What is the result of 51 minus 20? A: 
tens_op1_counterfactual.prompt: Q: What is the result of 51 minus 21? A: 
tens_op2_counterfactual.prompt: Q: What is the result of 51 minus 11? A: 
ones_carry_counterfactual.prompt: Q: What is the result of 51 minus 27? A: 
tens_carry_counterfactual.prompt: Q: What is the result of 51 minus 21? A: 