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

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

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