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

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

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