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

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

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