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

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

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