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

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

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