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

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

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