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

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

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