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

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

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