Sample use case diagram

A rectangle is labelled System. Inside the rectangle and at the bottom is an ellipse labelled Use case 5. This ellipse has a solid line that connects it to a stick figure of a person outside the rectangle labelled Actor 2. A solid line connects from the stick figure labelled Actor 2 to an ellipse inside the rectangle labelled Use case 4. From the ellipse labelled Use case 5 a dashed arrow (labelled <<extends>>) connects to an ellipse labelled Use case 3. A solid line connects from the ellipse labelled Use case 3 to a stick figure of a person outside the rectangle labelled Actor 3. A dashed arrow (labelled <<includes>>) connects from the ellipse labelled Use case 3 to an ellipse labelled Use case 1. A dashed arrow (labelled <<includes>>) connects the ellipse labelled Use case 5 to the ellipse labelled Use case 1. A stick figure of a person labelled Actor 1 is outside the rectangle. This stick figure connects with a solid line to an ellipse inside the rectangle labelled Use case 2. A dashed arrow (labelled <<includes>>) connects from the ellipse labelled Use case 2 to the ellipse labelled Use case 1.