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

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

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