prompt: Q: How much is 32 minus 20? A: 
random_counterfactual.prompt: Q: How much is 63 minus 41? A: 
ones_op1_counterfactual.prompt: Q: How much is 35 minus 20? A: 
ones_op2_counterfactual.prompt: Q: How much is 32 minus 21? A: 
tens_op1_counterfactual.prompt: Q: How much is 72 minus 20? A: 
tens_op2_counterfactual.prompt: Q: How much is 32 minus 10? A: 
ones_carry_counterfactual.prompt: Q: How much is 41 minus 29? A: 
tens_carry_counterfactual.prompt: Q: How much is 32 minus 20? A: 