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

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

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