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

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

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