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

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

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