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

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

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