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

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

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