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

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

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