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

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

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