1.  Question: What is the code for 'is' in the code language ?
Statements:

I.  In the code language, 'shi tu ke' means 'pen is blue'.
II. In the same code language, 'ke si re' means 'this is wonderful'.

A. I alone is sufficient while II alone is not sufficient
B. II alone is sufficient while I alone is not sufficient
C. Either I or II is sufficient
D. Neither I nor II is sufficient
E. Both I and II are sufficient

Answer: Option E

Explanation:

In I and II, the common word is 'is' and the common code word is 'ke'. So, ke is the code for 'is'.