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

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

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