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

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

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