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

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

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