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

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

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