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

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

*GRAMMAR*
lug -> BLUE 
 gazzer -> PURPLE 
 wif -> YELLOW 
 fep -> GREEN 
 x1 dax u1 -> [x1] [u1] 
 x1 zup u1 -> [u1] [x1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 