Plant Manager: We could greatly reduce the amount of sulfur dioxide our copper-smelting plant releases into the atmosphere by using a new process.
Evaluate
Often I would go claim-by-claim through the first person's paragraph, trying to figure out whether the second person seemed to disagree. But in this case, the Supervisor's paragraph is pretty explicit about where the disagreement is.
Supervisor: the latest closed furnaces are extremely fuel-efficient
So, what comment did the Plant Manager make about "latest closed furnaces" that sounds like, "the latest closed furnaces are not extremely fuel-efficient"?
The only negative complaint about the new closed furnaces that relates to fuel-efficiency is this one:
Plant Manager: the new process costs more to run than the current process
Goal
Look for an answer saying, , or, interchangeably, an answer saying, .