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

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

*GRAMMAR*
zup -> PINK 
 tufa -> GREEN 
 kiki -> PURPLE 
 dax -> RED 
 x1 wif x2 -> [x1] [x2] [x2] 
 u1 lug x1 -> [x1] [u1] [u1] 
 x1 fep u1 -> [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 