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

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

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