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

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

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