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

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

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