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

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

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