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

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

*GRAMMAR*
lug -> GREEN 
 tufa -> PINK 
 dax -> BLUE 
 wif -> YELLOW 
 u1 kiki -> [u1] [u1] [u1] 
 x1 fep u1 -> [u1] [x1] 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 