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

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

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