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

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

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