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

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

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