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

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

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