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

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

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