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

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

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