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

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

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