prompt: Q: How much is 60 minus 18? A: 
random_counterfactual.prompt: Q: How much is 28 minus 20? A: 
ones_op1_counterfactual.prompt: Q: How much is 69 minus 18? A: 
ones_op2_counterfactual.prompt: Q: How much is 60 minus 10? A: 
tens_op1_counterfactual.prompt: Q: How much is 20 minus 18? A: 
tens_op2_counterfactual.prompt: Q: How much is 60 minus 38? A: 
ones_carry_counterfactual.prompt: Q: How much is 69 minus 17? A: 
tens_carry_counterfactual.prompt: Q: How much is 60 minus 18? A: 