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

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

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