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

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

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