prompt: Q: How much is 64 minus 13? A: 
random_counterfactual.prompt: Q: How much is 45 minus 29? A: 
ones_op1_counterfactual.prompt: Q: How much is 64 minus 13? A: 
ones_op2_counterfactual.prompt: Q: How much is 64 minus 11? A: 
tens_op1_counterfactual.prompt: Q: How much is 74 minus 13? A: 
tens_op2_counterfactual.prompt: Q: How much is 64 minus 13? A: 
ones_carry_counterfactual.prompt: Q: How much is 70 minus 19? A: 
tens_carry_counterfactual.prompt: Q: How much is 64 minus 13? A: 