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

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

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