PROBLEM $1[6$ marks$]$

Consider the following Museum EER diagram. Given the constraints shown in the diagram, respond to each of the following statements with True, False, or Maybe. Assign a Maybe response to statements that could be true in some database state and false in some other one.

a$.$ We can have an art object in the Museum that is neither permanent nor borrowed.

b$.$ Some artists have made more than a thousand art objects.

c$.$ Some art objects have been shown at no exhibition.

d$.$ Some paintings have been created by three artists.

e$.$ Most permanent art objects have been shown at more than one exhibition.

f$.$ Every sculpture is a statue.