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

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

*GRAMMAR*
zup -> BLUE 
 fep -> PINK 
 wif -> RED 
 dax -> GREEN 
 u1 lug -> [u1] [u1] [u1] [u1] [u1] 
 u1 gazzer u2 -> [u1] [u2] [u2] [u1] [u2] 
 u1 tufa u2 -> [u2] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 