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

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

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