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

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

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