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

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

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