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

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

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