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

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

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