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

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

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