*SUPPORT*
IN: tufa kiki kiki OUT: YELLOW PURPLE PURPLE
IN: gazzer lug dax OUT: BLUE GREEN GREEN
IN: tufa lug gazzer OUT: GREEN YELLOW YELLOW
IN: gazzer wif OUT: GREEN GREEN
IN: tufa lug tufa OUT: YELLOW YELLOW YELLOW
IN: dax wif OUT: BLUE BLUE
IN: kiki dax lug tufa OUT: PURPLE YELLOW BLUE BLUE
IN: kiki OUT: PURPLE
IN: gazzer gazzer wif wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa dax lug kiki OUT: YELLOW PURPLE BLUE BLUE
IN: gazzer tufa zup OUT: GREEN YELLOW GREEN YELLOW
IN: gazzer gazzer wif OUT: GREEN GREEN GREEN GREEN
IN: kiki tufa OUT: PURPLE YELLOW
IN: tufa zup OUT: YELLOW YELLOW

*QUERY*
IN: tufa wif OUT: YELLOW YELLOW
IN: gazzer wif wif OUT: GREEN GREEN GREEN GREEN
IN: gazzer zup zup OUT: GREEN GREEN GREEN GREEN
IN: gazzer gazzer OUT: GREEN GREEN
IN: tufa kiki wif OUT: YELLOW PURPLE YELLOW PURPLE
IN: dax zup OUT: BLUE BLUE
IN: dax OUT: BLUE
IN: tufa tufa zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa lug kiki wif OUT: PURPLE YELLOW YELLOW PURPLE YELLOW YELLOW
IN: gazzer OUT: GREEN

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