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

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

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