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

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

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