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

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

*GRAMMAR*
wif -> GREEN 
 dax -> RED 
 fep -> BLUE 
 zup -> PINK 
 u1 gazzer u2 -> [u1] [u2] 
 x1 blicket x2 -> [x1] [x2] [x2] [x2] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 