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

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

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