Need some lights

This is the current rendering output of our scene. poor or no lighting at all. so i have looked at links below to understand abit about Maya's basic lighting.

• http://www.wonderhowto.com/how-to/video/how-to-set-up-global-illumination-lighting-in-maya-260696/

• http://www.wonderhowto.com/how-to/video/how-to-use-basic-lighting-in-maya-196596/