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

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

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