*SUPPORT*
IN: lug wif fep gazzer OUT: GREEN YELLOW PURPLE
IN: lug lug OUT: GREEN GREEN
IN: wif dax zup OUT: BLUE YELLOW
IN: wif OUT: YELLOW
IN: gazzer dax gazzer OUT: PURPLE PURPLE
IN: wif fep zup OUT: YELLOW BLUE
IN: zup dax lug OUT: GREEN BLUE
IN: wif dax gazzer OUT: PURPLE YELLOW
IN: zup gazzer wif fep gazzer OUT: BLUE PURPLE YELLOW PURPLE
IN: zup fep wif OUT: BLUE YELLOW
IN: wif fep lug OUT: YELLOW GREEN
IN: zup zup gazzer zup OUT: BLUE BLUE PURPLE BLUE
IN: zup fep gazzer OUT: BLUE PURPLE
IN: wif lug fep zup OUT: YELLOW GREEN BLUE

*QUERY*
IN: gazzer fep lug OUT: PURPLE GREEN
IN: zup gazzer zup fep lug OUT: BLUE PURPLE BLUE GREEN
IN: lug OUT: GREEN
IN: wif tufa OUT: YELLOW YELLOW
IN: gazzer tufa OUT: PURPLE PURPLE
IN: gazzer OUT: PURPLE
IN: gazzer dax zup OUT: BLUE PURPLE
IN: gazzer fep zup OUT: PURPLE BLUE
IN: wif dax wif OUT: YELLOW YELLOW
IN: zup OUT: BLUE

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