Study the following information to answer the given questions.
In a certain code, her idea has merit is written as fo la bu na, merit list has been displayed is written'as jo ke la si. na, her name displayed there is written as ya si bu zo and name in merit list is written as na ya go ke.
What is the code for in?
1) na
2) ya
3) go
4) ke
5) Cannot be determined

Explanation

3