*SUPPORT*
IN: wif tufa wif dax blicket OUT: PINK RED PINK PINK
IN: gazzer tufa blicket tufa gazzer blicket OUT: BLUE RED RED BLUE
IN: wif zup OUT: PINK PINK
IN: gazzer dax blicket OUT: BLUE RED BLUE
IN: lug tufa lug lug lug dax gazzer OUT: YELLOW YELLOW YELLOW BLUE YELLOW YELLOW
IN: lug dax wif OUT: YELLOW PINK YELLOW
IN: gazzer OUT: BLUE
IN: blicket OUT: RED
IN: gazzer tufa lug blicket zup OUT: YELLOW RED RED BLUE
IN: wif dax wif OUT: PINK PINK PINK
IN: gazzer zup OUT: BLUE BLUE
IN: blicket zup OUT: RED RED
IN: lug tufa wif lug tufa lug zup OUT: PINK YELLOW YELLOW YELLOW YELLOW
IN: wif tufa blicket tufa lug OUT: YELLOW RED PINK

*QUERY*
IN: wif tufa blicket gazzer OUT: RED BLUE PINK
IN: lug tufa lug tufa wif lug zup OUT: PINK YELLOW YELLOW YELLOW YELLOW
IN: wif wif tufa gazzer dax gazzer OUT: PINK BLUE BLUE BLUE PINK
IN: blicket dax blicket OUT: RED RED RED
IN: lug lug OUT: YELLOW YELLOW
IN: blicket gazzer OUT: RED BLUE
IN: lug zup OUT: YELLOW YELLOW
IN: lug OUT: YELLOW
IN: lug dax blicket OUT: YELLOW RED YELLOW
IN: gazzer gazzer wif zup OUT: BLUE BLUE PINK PINK

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