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

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

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