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

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

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