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

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

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