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

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

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