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

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

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