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

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

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