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

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

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