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

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

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