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

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

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