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

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

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