prompt: Q: How much is 61 minus 23? A: 
random_counterfactual.prompt: Q: How much is 21 minus 17? A: 
ones_op1_counterfactual.prompt: Q: How much is 67 minus 23? A: 
ones_op2_counterfactual.prompt: Q: How much is 61 minus 20? A: 
tens_op1_counterfactual.prompt: Q: How much is 31 minus 23? A: 
tens_op2_counterfactual.prompt: Q: How much is 61 minus 33? A: 
ones_carry_counterfactual.prompt: Q: How much is 68 minus 20? A: 
tens_carry_counterfactual.prompt: Q: How much is 61 minus 23? A: 