prompt: Q: What is 21 minus 16? A: 
random_counterfactual.prompt: Q: What is 91 minus 66? A: 
ones_op1_counterfactual.prompt: Q: What is 28 minus 16? A: 
ones_op2_counterfactual.prompt: Q: What is 21 minus 10? A: 
tens_op1_counterfactual.prompt: Q: What is 51 minus 16? A: 
tens_op2_counterfactual.prompt: Q: What is 21 minus 16? A: 
ones_carry_counterfactual.prompt: Q: What is 29 minus 14? A: 
tens_carry_counterfactual.prompt: Q: What is 21 minus 16? A: 