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

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

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