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

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

*GRAMMAR*
dax -> RED 
 fep -> GREEN 
 wif -> PINK 
 tufa -> PURPLE 
 u1 kiki -> [u1] [u1] 
 x1 blicket x2 -> [x1] [x2] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 