Instructions: Please draw an entity relationship diagram that is reflective of the following business rules:

· A pilot is employed by one and only one airline.

· An airline employs one or many pilots.

· A pilot can fly one or many airplanes.

· An airplane can be flown by zero or many pilots.

Show entity names, relationships between the entities and cardinalities. Please make sure that you eliminate any many-to-many relationships that may exist.