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

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

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