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

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

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