by indicating that Green used a phrase ambiguously by changing the subject to the size of sales territories by criticizing salespeople who wear out their cars in three years by explicitly qualifying a premise used earlier
Hernandez: I recommend that staff cars be replaced every four years instead of every three years. Three-year-old cars are still in good condition and this would result in big savings. Green: I disagree. Some of our salespeople with big territories wear out their cars in three years. Hernandez: I meant three-year-old cars subjected to normal use.
In the conversation, Hernandez responds to Green's objection in which one of the following ways?