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

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

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