Venn diagram expression question type

Teacher can define the question and Venn diagram. 
Student has to produce a set theory expression accoring to shown Venn diagram.

This question type was written by Rommi Saar.

This question type is compatible with Moodle 2.1.5+

To install using git, type this command in the root of your Moodle install:

git clone git://github.com/roomlane/moodle-qtype_vdexpression.git question/type/vdexpression

Then add question/type/vdexpression to your git ignore.

Alternatively, download the zip from
    https://github.com/roomlane/moodle-qtype_vdexpression/zipball/master
unzip it into the question/type folder, and then rename the new folder to vdexpression.

This question type require that also question type vdmarker to be installed. Available from https://github.com/roomlane/moodle-qtype_vdmarker

Some example questions can be imported from Moodle XML format file "examples/et/küsimused-Hulgateooria-diagramm avaldiseks-20120515-1055.xml" (these are in Estonian).