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

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

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