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

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

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