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

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

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