Maria, a middle school teacher, wants her students to know about white tigers. As it is unsafe for students to visit a forest and the local zoo does not have white tiger species, she uses special software that shows the life of white tigers. The software allows her students to get a close view of the tigers, which is impossible in real life. The software used by Maria in the classroom is an example of a(n) _____. 
a) Simulation 
b) Augmented reality 
c) Virtual reality 
d) Multimedia presentation