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

*QUERY*
IN: lug wif OUT: PURPLE RED
IN: kiki zup fep OUT: YELLOW GREEN GREEN GREEN
IN: zup wif OUT: GREEN RED
IN: kiki fep blicket kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: kiki fep OUT: YELLOW YELLOW YELLOW
IN: lug lug blicket wif OUT: RED PURPLE PURPLE PURPLE PURPLE
IN: lug lug OUT: PURPLE PURPLE
IN: wif kiki blicket zup OUT: GREEN RED YELLOW RED YELLOW
IN: zup OUT: GREEN

*GRAMMAR*
zup -> GREEN 
 lug -> PURPLE 
 wif -> RED 
 kiki -> YELLOW 
 x1 dax -> [x1] [x1] [x1] [x1] [x1] [x1] [x1] 
 x1 blicket u1 -> [u1] [x1] [x1] 
 u1 fep -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 