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

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

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