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

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

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