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

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

*GRAMMAR*
fep -> GREEN 
 lug -> PINK 
 zup -> PURPLE 
 wif -> BLUE 
 u1 tufa u2 -> [u2] [u1] 
 x1 dax u1 -> [u1] [x1] [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 