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

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

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