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

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

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