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

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

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