prompt: Q: How much is 87 minus 78? A: 
random_counterfactual.prompt: Q: How much is 55 minus 11? A: 
ones_op1_counterfactual.prompt: Q: How much is 89 minus 78? A: 
ones_op2_counterfactual.prompt: Q: How much is 87 minus 75? A: 
tens_op1_counterfactual.prompt: Q: How much is 87 minus 78? A: 
tens_op2_counterfactual.prompt: Q: How much is 87 minus 28? A: 
ones_carry_counterfactual.prompt: Q: How much is 89 minus 70? A: 
tens_carry_counterfactual.prompt: Q: How much is 87 minus 78? A: 