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

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

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