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

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

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