*SUPPORT*
IN: gazzer gazzer fep tufa fep lug gazzer OUT: GREEN GREEN GREEN BLUE BLUE
IN: dax OUT: PINK
IN: dax tufa fep OUT: PINK BLUE
IN: wif tufa gazzer OUT: PURPLE GREEN
IN: gazzer tufa fep OUT: GREEN BLUE
IN: dax lug wif lug fep lug wif OUT: PURPLE BLUE PURPLE PINK
IN: wif gazzer tufa fep lug gazzer kiki fep OUT: GREEN PURPLE GREEN BLUE BLUE BLUE BLUE
IN: gazzer kiki fep lug gazzer OUT: GREEN GREEN BLUE BLUE BLUE
IN: wif lug fep OUT: BLUE PURPLE
IN: wif OUT: PURPLE
IN: wif kiki wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif lug fep lug gazzer lug fep OUT: BLUE GREEN BLUE PURPLE
IN: dax tufa gazzer OUT: PINK GREEN
IN: dax tufa wif OUT: PINK PURPLE

*QUERY*
IN: wif fep wif OUT: PURPLE BLUE PURPLE
IN: gazzer OUT: GREEN
IN: dax tufa dax OUT: PINK PINK
IN: gazzer tufa wif kiki dax lug fep OUT: BLUE GREEN PURPLE PINK PINK PINK
IN: dax gazzer OUT: PINK GREEN
IN: wif tufa fep kiki wif OUT: PURPLE BLUE PURPLE PURPLE PURPLE
IN: fep fep lug gazzer OUT: GREEN BLUE BLUE
IN: fep tufa gazzer lug fep OUT: BLUE BLUE GREEN
IN: gazzer tufa fep kiki dax OUT: GREEN BLUE PINK PINK PINK
IN: gazzer tufa wif OUT: GREEN PURPLE

*GRAMMAR*
fep -> BLUE 
 wif -> PURPLE 
 gazzer -> GREEN 
 dax -> PINK 
 u1 tufa u2 -> [u1] [u2] 
 x1 kiki u1 -> [x1] [u1] [u1] [u1] 
 x1 lug u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 