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

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

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