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

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

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