(I) While some restaurants serve a variety of dishes that
are labelled as local, others present a menu including
universal ones like hamburger or salad. (II) A meal at a
fine restaurant will often seem to taste better than food
eaten off a paper plate with plastic cutlery. (III) This is
because our perception of the quality of food and drink
does not only involve senses, but emotions and
expectations play a role too. (IV) Colours can also affect
how we perceive flavour. (V) In one famous French
study, participants were convinced that they were
drinking red wine when it was, in fact, white wine dyed
red.