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

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

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