Verbal Reasoning - Analogy

Directions to Solve
In each of the following questions find out the alternative which will replace the question mark.

16.
REASON : SFBTPO :: THINK : ?
SGHMJ
UIJOL
UHNKI
UJKPM
Answer: Option
Explanation:

17.
PSQR : CFED :: JMKL : ?
UVXZ
YVZX
YXZW
WZYX
Answer: Option
Explanation:

18.
FIELD : GJFME :: SICKLE : ?
RHBJKD
RHJBKD
TJLDMF
TJDLMF
Answer: Option
Explanation:

19.
? : QEHMDF :: WIDELY : HVCDXK
FRINGE
STRING
FRANCE
DEMAND
Answer: Option
Explanation:

20.
ACFJ : ZXUQ :: EGIN : ?
VUSQ
UTRP
VRPM
VTRM
Answer: Option
Explanation: