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

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

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