prompt: Q: What is 39 minus 17? A: 
random_counterfactual.prompt: Q: What is 71 minus 21? A: 
ones_op1_counterfactual.prompt: Q: What is 38 minus 17? A: 
ones_op2_counterfactual.prompt: Q: What is 39 minus 14? A: 
tens_op1_counterfactual.prompt: Q: What is 39 minus 17? A: 
tens_op2_counterfactual.prompt: Q: What is 39 minus 17? A: 
ones_carry_counterfactual.prompt: Q: What is 40 minus 18? A: 
tens_carry_counterfactual.prompt: Q: What is 39 minus 17? A: 