1) How did they survive?
When did they survive?
Who survived?
Who helped them to survive?
Was it hard for them to survive?
2) What was mixed?
When was it mixed?
Where was it mixed?
Who mixed it?
Why was it mixed?
3) What does poison them?
Why does it poison them?
When does it poison them?
Where does it poison them?
When did you understand, that it poisons them?
