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

*QUERY*
IN: fep blicket wif OUT: PINK GREEN
IN: wif OUT: GREEN
IN: kiki fep blicket kiki OUT: YELLOW PINK YELLOW
IN: zup blicket kiki OUT: BLUE YELLOW
IN: fep zup OUT: PINK BLUE
IN: kiki blicket wif OUT: YELLOW GREEN
IN: kiki fep OUT: YELLOW PINK
IN: wif blicket fep OUT: GREEN PINK
IN: fep OUT: PINK
IN: kiki OUT: YELLOW

*GRAMMAR*
wif -> GREEN 
 zup -> BLUE 
 fep -> PINK 
 kiki -> YELLOW 
 x1 tufa x2 -> [x1] [x2] 
 u1 blicket u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 