Bmm add questions and responses

https://trello.com/c/nFgChcO0/14-as-a-user-i-can-choose-one-path-option-based-on-an-automatically-generated-scenario

![screenshot from 2014-11-19 16 51 11](https://cloud.githubusercontent.com/assets/8154429/5115105/5e1ee158-700c-11e4-986c-6845144df942.png)

![screenshot from 2014-11-19 16 51 30](https://cloud.githubusercontent.com/assets/8154429/5115107/609a31f8-700c-11e4-8434-c51eff665140.png)


![screenshot from 2014-11-19 16 51 41](https://cloud.githubusercontent.com/assets/8154429/5115108/64c52ed6-700c-11e4-96cb-8d2d77f869d3.png)

NULL CONSTRAINTS??!?!?