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

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

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