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

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

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