prompt: Q: How much is 99 minus 42? A: 
random_counterfactual.prompt: Q: How much is 89 minus 24? A: 
ones_op1_counterfactual.prompt: Q: How much is 99 minus 42? A: 
ones_op2_counterfactual.prompt: Q: How much is 99 minus 42? A: 
tens_op1_counterfactual.prompt: Q: How much is 79 minus 42? A: 
tens_op2_counterfactual.prompt: Q: How much is 99 minus 42? A: 
ones_carry_counterfactual.prompt: Q: How much is 102 minus 45? A: 
tens_carry_counterfactual.prompt: Q: How much is 99 minus 42? A: 