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

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

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