prompt: Q: What is 60 minus 40? A: 
random_counterfactual.prompt: Q: What is 59 minus 38? A: 
ones_op1_counterfactual.prompt: Q: What is 63 minus 40? A: 
ones_op2_counterfactual.prompt: Q: What is 60 minus 40? A: 
tens_op1_counterfactual.prompt: Q: What is 70 minus 40? A: 
tens_op2_counterfactual.prompt: Q: What is 60 minus 20? A: 
ones_carry_counterfactual.prompt: Q: What is 61 minus 42? A: 
tens_carry_counterfactual.prompt: Q: What is 60 minus 40? A: 