prompt: Q: How much is 89 minus 42? A: 
random_counterfactual.prompt: Q: How much is 68 minus 28? A: 
ones_op1_counterfactual.prompt: Q: How much is 86 minus 42? A: 
ones_op2_counterfactual.prompt: Q: How much is 89 minus 47? A: 
tens_op1_counterfactual.prompt: Q: How much is 59 minus 42? A: 
tens_op2_counterfactual.prompt: Q: How much is 89 minus 32? A: 
ones_carry_counterfactual.prompt: Q: How much is 96 minus 49? A: 
tens_carry_counterfactual.prompt: Q: How much is 89 minus 42? A: 