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

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

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