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

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

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