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

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

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