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

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

*GRAMMAR*
lug -> PINK 
 wif -> GREEN 
 tufa -> RED 
 blicket -> YELLOW 
 x1 gazzer -> [x1] [x1] 
 u1 dax u2 -> [u1] [u2] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 