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

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

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