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

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

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