*SUPPORT*
IN: dax wif OUT: PINK PINK
IN: fep dax OUT: YELLOW PINK
IN: dax fep wif OUT: PINK YELLOW YELLOW
IN: dax lug gazzer OUT: PINK RED
IN: dax lug fep OUT: PINK YELLOW
IN: dax zup fep OUT: YELLOW PINK
IN: gazzer lug fep OUT: RED YELLOW
IN: blicket zup blicket zup fep lug fep OUT: YELLOW YELLOW GREEN GREEN
IN: gazzer dax fep OUT: RED PINK YELLOW
IN: fep zup fep wif OUT: YELLOW YELLOW YELLOW
IN: gazzer lug dax OUT: RED PINK
IN: dax blicket zup dax wif OUT: PINK PINK PINK GREEN
IN: gazzer OUT: RED
IN: blicket OUT: GREEN

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

*GRAMMAR*
fep -> YELLOW 
 dax -> PINK 
 gazzer -> RED 
 blicket -> GREEN 
 u1 lug u2 -> [u1] [u2] 
 u1 wif -> [u1] [u1] 
 u1 zup x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 