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

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

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