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

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

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