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

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

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