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

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

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