*SUPPORT*
IN: wif blicket fep OUT: RED RED PURPLE
IN: wif blicket zup OUT: RED RED BLUE
IN: gazzer gazzer kiki OUT: GREEN GREEN GREEN GREEN
IN: gazzer blicket zup OUT: GREEN GREEN BLUE
IN: wif wif dax OUT: RED RED RED
IN: zup blicket wif OUT: BLUE BLUE RED
IN: gazzer blicket fep OUT: GREEN GREEN PURPLE
IN: gazzer dax OUT: GREEN GREEN
IN: wif kiki OUT: RED RED RED
IN: zup fep OUT: BLUE PURPLE
IN: zup zup blicket wif OUT: BLUE BLUE BLUE RED
IN: wif OUT: RED
IN: fep dax OUT: PURPLE PURPLE
IN: fep blicket fep OUT: PURPLE PURPLE PURPLE

*QUERY*
IN: gazzer OUT: GREEN
IN: gazzer kiki OUT: GREEN GREEN GREEN
IN: zup kiki OUT: BLUE BLUE BLUE
IN: zup OUT: BLUE
IN: gazzer zup dax OUT: GREEN BLUE BLUE
IN: wif dax OUT: RED RED
IN: gazzer wif OUT: GREEN RED
IN: fep fep dax OUT: PURPLE PURPLE PURPLE
IN: wif zup zup kiki OUT: RED BLUE BLUE BLUE BLUE
IN: fep OUT: PURPLE

*GRAMMAR*
fep -> PURPLE 
 zup -> BLUE 
 gazzer -> GREEN 
 wif -> RED 
 u1 kiki -> [u1] [u1] [u1] 
 u1 blicket u2 -> [u1] [u1] [u2] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 