*SUPPORT*
IN: wif blicket OUT: BLUE BLUE
IN: wif blicket tufa lug blicket OUT: RED RED RED RED BLUE BLUE
IN: fep lug zup OUT: GREEN RED GREEN RED GREEN RED
IN: wif dax wif lug OUT: BLUE YELLOW BLUE RED
IN: dax fep OUT: YELLOW GREEN
IN: fep OUT: GREEN
IN: lug dax blicket OUT: RED YELLOW YELLOW
IN: wif tufa lug OUT: RED RED BLUE
IN: lug zup OUT: RED RED RED
IN: wif OUT: BLUE
IN: fep blicket zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep blicket OUT: GREEN GREEN
IN: dax blicket OUT: YELLOW YELLOW
IN: lug blicket tufa lug OUT: RED RED RED RED

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

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