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

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

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