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

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

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