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

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

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