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

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

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