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

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

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