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

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

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