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

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

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