*SUPPORT*
IN: dax fep tufa OUT: GREEN BLUE BLUE
IN: wif wif lug kiki OUT: RED PINK PINK PINK PINK
IN: kiki fep fep OUT: RED BLUE BLUE
IN: wif blicket OUT: PINK PINK
IN: dax OUT: GREEN
IN: dax wif blicket lug fep OUT: BLUE GREEN PINK PINK GREEN PINK PINK
IN: wif OUT: PINK
IN: kiki OUT: RED
IN: kiki tufa OUT: RED RED
IN: wif tufa OUT: PINK PINK
IN: dax wif tufa OUT: GREEN PINK PINK
IN: fep tufa OUT: BLUE BLUE
IN: dax kiki blicket OUT: GREEN RED RED
IN: kiki fep tufa lug dax OUT: GREEN RED BLUE BLUE RED BLUE BLUE

*QUERY*
IN: wif fep OUT: PINK BLUE
IN: dax dax tufa OUT: GREEN GREEN GREEN
IN: kiki dax OUT: RED GREEN
IN: wif kiki wif tufa OUT: PINK RED PINK PINK
IN: kiki kiki fep OUT: RED RED BLUE
IN: dax dax tufa lug dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep OUT: BLUE
IN: fep lug kiki OUT: RED BLUE BLUE
IN: dax wif blicket OUT: GREEN PINK PINK
IN: fep blicket OUT: BLUE BLUE

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