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

*QUERY*
IN: wif blicket fep zup OUT: GREEN PINK YELLOW
IN: blicket OUT: YELLOW
IN: zup wif OUT: PINK GREEN
IN: blicket fep blicket OUT: YELLOW YELLOW
IN: blicket fep zup OUT: PINK YELLOW
IN: zup fep wif OUT: GREEN PINK
IN: wif OUT: GREEN
IN: blicket dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: PINK
IN: wif tufa OUT: GREEN GREEN GREEN GREEN

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