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

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

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