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

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

*GRAMMAR*
dax -> GREEN 
 zup -> PINK 
 tufa -> PURPLE 
 fep -> BLUE 
 x1 gazzer -> [x1] [x1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 