*SUPPORT*
IN: fep blicket wif lug zup blicket fep gazzer OUT: RED GREEN BLUE BLUE RED RED
IN: fep wif OUT: RED BLUE
IN: fep gazzer OUT: RED RED
IN: kiki kiki gazzer OUT: YELLOW YELLOW YELLOW
IN: fep lug wif OUT: BLUE RED RED
IN: wif blicket zup zup kiki zup wif OUT: BLUE GREEN GREEN YELLOW GREEN BLUE
IN: zup gazzer OUT: GREEN GREEN
IN: wif lug kiki OUT: YELLOW BLUE BLUE
IN: kiki lug kiki OUT: YELLOW YELLOW YELLOW
IN: wif lug fep OUT: RED BLUE BLUE
IN: zup lug wif OUT: BLUE GREEN GREEN
IN: wif gazzer blicket wif OUT: BLUE BLUE BLUE
IN: fep zup lug kiki blicket fep lug zup OUT: RED YELLOW GREEN GREEN GREEN RED RED
IN: wif blicket fep lug wif OUT: BLUE BLUE RED RED

*QUERY*
IN: zup OUT: GREEN
IN: kiki gazzer blicket wif gazzer OUT: YELLOW YELLOW BLUE BLUE
IN: wif gazzer OUT: BLUE BLUE
IN: fep fep blicket wif blicket fep gazzer OUT: RED RED BLUE RED RED
IN: wif OUT: BLUE
IN: kiki gazzer OUT: YELLOW YELLOW
IN: fep lug fep blicket kiki wif gazzer OUT: RED RED RED YELLOW BLUE BLUE
IN: zup fep gazzer blicket kiki OUT: GREEN RED RED YELLOW
IN: fep OUT: RED
IN: wif lug wif OUT: BLUE BLUE BLUE

*GRAMMAR*
wif -> BLUE 
 zup -> GREEN 
 kiki -> YELLOW 
 fep -> RED 
 u1 lug u2 -> [u2] [u1] [u1] 
 x1 blicket x2 -> [x1] [x2] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 