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

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

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