*SUPPORT*
IN: tufa blicket lug blicket tufa OUT: BLUE YELLOW BLUE
IN: tufa kiki fep blicket tufa blicket fep OUT: PURPLE BLUE BLUE PURPLE
IN: fep wif tufa OUT: PURPLE BLUE BLUE
IN: tufa dax fep lug OUT: BLUE GREEN PURPLE YELLOW
IN: fep dax dax dax blicket fep OUT: PURPLE PURPLE GREEN GREEN GREEN
IN: lug OUT: YELLOW
IN: tufa kiki fep OUT: BLUE PURPLE
IN: dax blicket lug OUT: YELLOW GREEN
IN: lug wif fep blicket dax OUT: GREEN YELLOW PURPLE PURPLE
IN: tufa lug lug kiki dax blicket lug OUT: YELLOW BLUE YELLOW YELLOW GREEN
IN: dax kiki dax OUT: GREEN GREEN
IN: fep OUT: PURPLE
IN: tufa wif tufa kiki dax OUT: BLUE BLUE GREEN BLUE GREEN
IN: lug kiki tufa OUT: YELLOW BLUE

*QUERY*
IN: fep kiki tufa OUT: PURPLE BLUE
IN: fep kiki tufa blicket dax OUT: GREEN PURPLE BLUE
IN: dax kiki fep OUT: GREEN PURPLE
IN: dax fep kiki fep OUT: GREEN PURPLE PURPLE
IN: dax lug fep blicket lug OUT: YELLOW GREEN YELLOW PURPLE
IN: tufa kiki dax OUT: BLUE GREEN
IN: dax OUT: GREEN
IN: fep tufa kiki tufa OUT: PURPLE BLUE BLUE
IN: fep kiki dax OUT: PURPLE GREEN
IN: tufa OUT: BLUE

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