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

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

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