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

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

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