After reading and reviewing all of the materials attached below in reference , especially the SENSE4US document provided, what are your thoughts? Please incorporate the answers to the following quest

After reading and reviewing all of the materials attached below in reference , especially the SENSE4US document provided, what are your thoughts? 

Please incorporate the answers to the following questions in your paper. The paper should be to 2 pages, please use APA formatting.  

• Is this a tool that would be difficult or easy to use? (SENSE4US)
• What do the following terms mean within the context of policy modeling?

1. Simplicity
2. Generality
3. Validity
4. Formality

• How are all these terms related?

Reference material 

1) Policy Making and Modelling in a Complex World Wander Jager and Bruce Edmonds

2)  Social Simulation and Modeling

youtube link  http://www.youtube.com/watch?v=2XvbuEugkIA

                        http://www.youtube.com/watch?v=AJXFiO-ULv0

3) SENSE4US document file attached 

 reviewing the material above, especially the SENSE4US document provided work on the assignment in APA format ,THANKS.