*SUPPORT*
IN: kiki lug fep OUT: RED PURPLE PURPLE PURPLE
IN: fep tufa blicket kiki tufa OUT: PURPLE PURPLE RED RED
IN: wif gazzer wif blicket wif wif tufa OUT: GREEN GREEN GREEN GREEN BLUE GREEN
IN: wif wif OUT: GREEN GREEN
IN: fep wif OUT: RED GREEN
IN: gazzer OUT: BLUE
IN: gazzer tufa blicket wif tufa OUT: GREEN GREEN BLUE BLUE
IN: gazzer tufa lug kiki OUT: PURPLE BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep tufa lug fep OUT: RED RED RED RED RED RED RED
IN: gazzer wif lug gazzer OUT: BLUE BLUE GREEN BLUE GREEN BLUE GREEN
IN: kiki kiki OUT: PURPLE PURPLE
IN: wif kiki tufa OUT: GREEN PURPLE PURPLE
IN: gazzer wif tufa OUT: BLUE GREEN GREEN
IN: kiki fep kiki OUT: PURPLE RED PURPLE

*QUERY*
IN: wif wif lug fep OUT: RED GREEN GREEN GREEN GREEN GREEN GREEN
IN: kiki OUT: PURPLE
IN: kiki wif gazzer tufa OUT: PURPLE GREEN BLUE BLUE
IN: fep tufa OUT: RED RED
IN: wif kiki gazzer OUT: GREEN PURPLE BLUE
IN: gazzer tufa OUT: BLUE BLUE
IN: fep tufa blicket gazzer lug fep OUT: RED BLUE BLUE BLUE RED RED
IN: wif OUT: GREEN
IN: fep fep OUT: RED RED
IN: kiki tufa OUT: PURPLE PURPLE

*GRAMMAR*
fep -> RED 
 gazzer -> BLUE 
 wif -> GREEN 
 kiki -> PURPLE 
 u1 tufa -> [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 x1 lug u1 -> [u1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 