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

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

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