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

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

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