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

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

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