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

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

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