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

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

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