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

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

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