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

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

*GRAMMAR*
lug -> PURPLE 
 wif -> YELLOW 
 fep -> BLUE 
 gazzer -> GREEN 
 u1 tufa u2 -> [u2] [u1] 
 x1 zup x2 -> [x1] [x2] [x2] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 