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

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

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