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

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

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