prompt: Q: How much is 60 minus 20? A: 
random_counterfactual.prompt: Q: How much is 52 minus 44? A: 
ones_op1_counterfactual.prompt: Q: How much is 67 minus 20? A: 
ones_op2_counterfactual.prompt: Q: How much is 60 minus 20? A: 
tens_op1_counterfactual.prompt: Q: How much is 50 minus 20? A: 
tens_op2_counterfactual.prompt: Q: How much is 60 minus 50? A: 
ones_carry_counterfactual.prompt: Q: How much is 61 minus 22? A: 
tens_carry_counterfactual.prompt: Q: How much is 60 minus 20? A: 