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

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

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