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

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

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