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

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

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