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

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

*GRAMMAR*
gazzer -> RED 
 wif -> GREEN 
 tufa -> PURPLE 
 kiki -> BLUE 
 x1 lug -> [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] [u2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 