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

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

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