prompt: Q: How much is 66 minus 61? A: 
random_counterfactual.prompt: Q: How much is 31 minus 19? A: 
ones_op1_counterfactual.prompt: Q: How much is 67 minus 61? A: 
ones_op2_counterfactual.prompt: Q: How much is 66 minus 60? A: 
tens_op1_counterfactual.prompt: Q: How much is 96 minus 61? A: 
tens_op2_counterfactual.prompt: Q: How much is 66 minus 41? A: 
ones_carry_counterfactual.prompt: Q: How much is 74 minus 69? A: 
tens_carry_counterfactual.prompt: Q: How much is 66 minus 61? A: 