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

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

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