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

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

*GRAMMAR*
dax -> RED 
 blicket -> PINK 
 kiki -> YELLOW 
 wif -> GREEN 
 x1 tufa x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 