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

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

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