prompt: Q: How much is 56 minus 21? A: 
random_counterfactual.prompt: Q: How much is 42 minus 26? A: 
ones_op1_counterfactual.prompt: Q: How much is 58 minus 21? A: 
ones_op2_counterfactual.prompt: Q: How much is 56 minus 24? A: 
tens_op1_counterfactual.prompt: Q: How much is 66 minus 21? A: 
tens_op2_counterfactual.prompt: Q: How much is 56 minus 31? A: 
ones_carry_counterfactual.prompt: Q: How much is 60 minus 25? A: 
tens_carry_counterfactual.prompt: Q: How much is 56 minus 21? A: 