prompt: Q: What is 45 minus 20? A: 
random_counterfactual.prompt: Q: What is 91 minus 39? A: 
ones_op1_counterfactual.prompt: Q: What is 42 minus 20? A: 
ones_op2_counterfactual.prompt: Q: What is 45 minus 22? A: 
tens_op1_counterfactual.prompt: Q: What is 75 minus 20? A: 
tens_op2_counterfactual.prompt: Q: What is 45 minus 30? A: 
ones_carry_counterfactual.prompt: Q: What is 53 minus 28? A: 
tens_carry_counterfactual.prompt: Q: What is 45 minus 20? A: 