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

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

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