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

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

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