*SUPPORT*
IN: tufa tufa dax OUT: PINK PINK PINK
IN: tufa tufa OUT: PINK PINK
IN: lug tufa dax OUT: BLUE PINK PINK
IN: blicket dax OUT: YELLOW YELLOW
IN: blicket gazzer fep OUT: YELLOW RED
IN: blicket gazzer lug OUT: YELLOW BLUE
IN: lug gazzer blicket OUT: BLUE YELLOW
IN: fep kiki OUT: RED RED RED RED
IN: blicket blicket lug gazzer lug OUT: YELLOW YELLOW BLUE BLUE
IN: lug kiki OUT: BLUE BLUE BLUE BLUE
IN: fep OUT: RED
IN: lug gazzer lug OUT: BLUE BLUE
IN: blicket OUT: YELLOW
IN: blicket blicket OUT: YELLOW YELLOW

*QUERY*
IN: lug dax OUT: BLUE BLUE
IN: tufa blicket kiki OUT: PINK YELLOW YELLOW YELLOW YELLOW
IN: lug OUT: BLUE
IN: blicket fep OUT: YELLOW RED
IN: tufa gazzer blicket OUT: PINK YELLOW
IN: tufa tufa fep dax OUT: PINK PINK RED RED
IN: blicket gazzer blicket OUT: YELLOW YELLOW
IN: tufa tufa gazzer tufa OUT: PINK PINK PINK
IN: lug gazzer tufa OUT: BLUE PINK
IN: blicket kiki OUT: YELLOW YELLOW YELLOW YELLOW

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