Using the Entity$-$Relationship model $($extended if necessary with generalization$),$

build a conceptual schema that captures the following natural language description

of the requirements of a bus company. Express your schema using an ER diagram;

it must be syntactically correct and readable.

Make clear what reasonable assumptions, if any, you are making. State concisely $($in

English, but referring to the elements of your schema$)$ any constraints that cannot

be expressed in the ER schema. Include all cardinalities. Do not submit separate

schema fragments.

Notation: You must make Use the notation developed in class. Add an asterisk on

relationship cardinalities to indicate that it is assumed.

A city is identified by its name and state; we also need to store its population and the names

of popular tourist attractions. A city must hav