（CEBSHL Talent Measurement） O

（CEB|SHL Talent Measurement） Over the past three decades, pizza has quickly become one of the most popular foods in the world. The four key factors that have led to the rise in popularity of this Italian speciality are the growth of franchising opportunities, the health food craze, the increase in dual income families, and the recession in the early 1990s. As a result of pizza becoming more widely accepted, there has been a dramatic increase in business opportunities available for pizza franchises, many of which specialise in the traditional Neapolitan pizza. Pizza also appeals to those who are concerned about maintaining their healthy ay of life. To meet their needs, many pizzerias now offer wholemeal crusts with assorted vegetable toppings. In many places, home pizza delivery has grown significantly, especially among busy people such as dual income families, who appreciate the convenience of home-delivered pizza. With both parents working, the time available to prepare meals has decreased, making pizza delivery a more favourable option for a hot family meal. The economic recession of the 1990s positively impacted the pizza market. Many restaurants were forced to re-evaluate their menus to include more variety at a lower cost since their customers were not eating out as often. This has provided a unique challenge for chefs to enhance their culinary abilities and to provide creative options for the pizza speciality. In addition, chefs are using this creativity to offer pizzas in restaurants that would never be found on home delivery menus. In the first paragraph of the passage above, to which one of the following does the word "craze" refer?