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

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

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