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Restaurant owners have to know how __1__ (make) food. They also have to know how to make
money. Here are some things they __2__ (learn) from scientific studies. The color red __3__ (make)
people hungry. Red also makes customers __4__ (eat) fast food restaurants, therefore, have red furniture
or walls. Soft colors like pink and light blue make people __5__ (relax), so they spend more time __6__
(eat) their meals. Soft lighting __7__ (make) people look good, but it makes food look bad. Loud music
makes people want __8__ (leave). Hard seats also __9__ (make ) customers want to eat quickly and
leave. Many restaurants, especially fast food restaurants, use this knowledge __10__ (make) customers
eat faster.