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

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

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