Once the teacher ask the students to draw a picture of running train in exam ..

All the students get ready and start drawing ...

One of the student draws mountains , a setting sun , river , railways rails and trees .

He also draws a cave in the picture . Below the picture he writes ' The train is in the cave ' and gives the paer .

When the teachers sees the drawing she smiles and write on it that ' The marks are in the train and u will receive them once the train comes out ;);) '