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

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

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