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

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

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