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

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

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