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

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

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