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

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

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