Let represent the situation that "The sun is shinning" and represents the situation "I got sunburnt".
In words, what does mean?
It is not the case that the sun is shinning and I got sunburnt.
The sun is shinning and I got sunburnt.
The sun is shinning and I didn't get sunburnt
The sun is not shinning and I got sunburnt.
None of the options.
represent the situation that "The sun is shinning" and 
represents the situation "I got sunburnt".
mean?