prompt: Q: How much is 54 minus 20? A: 
random_counterfactual.prompt: Q: How much is 82 minus 64? A: 
ones_op1_counterfactual.prompt: Q: How much is 59 minus 20? A: 
ones_op2_counterfactual.prompt: Q: How much is 54 minus 20? A: 
tens_op1_counterfactual.prompt: Q: How much is 84 minus 20? A: 
tens_op2_counterfactual.prompt: Q: How much is 54 minus 20? A: 
ones_carry_counterfactual.prompt: Q: How much is 63 minus 29? A: 
tens_carry_counterfactual.prompt: Q: How much is 54 minus 20? A: 