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

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

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