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

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

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