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

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

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