*SUPPORT*
IN: dax fep zup OUT: PURPLE GREEN GREEN
IN: dax zup OUT: PURPLE PURPLE
IN: wif zup OUT: PINK PINK
IN: gazzer kiki fep OUT: YELLOW GREEN
IN: wif kiki wif OUT: PINK PINK
IN: dax kiki wif OUT: PURPLE PINK
IN: dax kiki dax OUT: PURPLE PURPLE
IN: wif OUT: PINK
IN: dax blicket gazzer OUT: PURPLE PURPLE YELLOW
IN: dax fep blicket wif OUT: PURPLE GREEN GREEN PINK
IN: fep blicket wif OUT: GREEN GREEN PINK
IN: dax OUT: PURPLE
IN: dax kiki fep OUT: PURPLE GREEN
IN: gazzer blicket fep OUT: YELLOW YELLOW GREEN

*QUERY*
IN: fep zup OUT: GREEN GREEN
IN: fep fep zup OUT: GREEN GREEN GREEN
IN: gazzer blicket dax OUT: YELLOW YELLOW PURPLE
IN: fep dax OUT: GREEN PURPLE
IN: gazzer kiki wif OUT: YELLOW PINK
IN: gazzer OUT: YELLOW
IN: gazzer zup OUT: YELLOW YELLOW
IN: wif blicket dax OUT: PINK PINK PURPLE
IN: gazzer kiki gazzer OUT: YELLOW YELLOW
IN: fep OUT: GREEN

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