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

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

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