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

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

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