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

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

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