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

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

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