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

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

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