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

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

*GRAMMAR*
kiki -> BLUE 
 gazzer -> YELLOW 
 dax -> GREEN 
 wif -> PINK 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 lug -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 