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

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

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