Carl' s Coffee Emporium stocks only two decaffeinated coffees: French Roast and Mocha Java. Yusef only serves decaffeinated coffee, and the coffee he served after dinner last night was far too smooth and mellow to have been French Roast. So, if Yusef still gets all his coffee from Carl' s, what he served last night was Mocha Java. The argument above is most similar in its logical structure to which one of the following? ['Werdix, Inc. , has offered Arno a choice between a job in sales and a job in research. Arno would like to work at Werdix but he would never take a job in sales when another job is available, so if he accepts one of these jobs, it will be the one in research.', 'Samuel wants to take three friends to the beach. His mother owns both a sedan and a convertible. The convertible holds four people so, although the sedan has a more powerful engine, if Samuel borrows a vehicle from his mother, he will borrow the convertible.', 'Rose can either take a two-week vacation in July or wait until October and take a three-week vacation. The trail she had planned to hike requires three weeks to complete but is closed by October, so if Rose takes a vacation, it will not be the one she had planned.', "If Teresa does not fire her assistant, her staff will rebel and her department's efficiency will decline. Losing her assistant would also reduce its efficiency, so, if no alternative solution can be found, Teresa's department will become less efficient."]