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

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

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