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

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

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