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

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

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