prompt: Q: How much is 88 minus 20? A: 
random_counterfactual.prompt: Q: How much is 57 minus 45? A: 
ones_op1_counterfactual.prompt: Q: How much is 83 minus 20? A: 
ones_op2_counterfactual.prompt: Q: How much is 88 minus 21? A: 
tens_op1_counterfactual.prompt: Q: How much is 98 minus 20? A: 
tens_op2_counterfactual.prompt: Q: How much is 88 minus 60? A: 
ones_carry_counterfactual.prompt: Q: How much is 93 minus 25? A: 
tens_carry_counterfactual.prompt: Q: How much is 88 minus 20? A: 