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

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

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