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

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

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