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

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

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