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

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

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