Venn Diagram Generator Excel Where Can I Find A Venn Diagram Generator For Free Online?

Where can I find a Venn Diagram generator for free online? - venn diagram generator excel

My teacher gave me homework for tomorrow
and he said:
"Design on a sheet of unlined printer paper landscape, draw a Venn diagram. Use the computer to draw the diagram and use, if necessary.
If you know then, where can I find a generator Venn diagram?
I looked at the following sites without success. He has only two circles.
readwritething.org
nology.com Education
interactives.mped.org
pangloss.com
globaleducation.edna.edu
spyfu.com
encarta.msn.com
shodor.org
cnx.org
kidbibs.com
graphic.org
venndiagram.com
superteacherstuff.com
The list goes on and on, please help!