*SUPPORT*
IN: tufa wif OUT: PURPLE YELLOW
IN: kiki wif OUT: GREEN YELLOW
IN: wif blicket wif OUT: YELLOW YELLOW
IN: kiki wif wif OUT: GREEN YELLOW YELLOW
IN: fep tufa fep OUT: BLUE PURPLE BLUE
IN: wif blicket kiki OUT: GREEN YELLOW
IN: fep tufa dax fep blicket kiki OUT: BLUE PURPLE GREEN BLUE
IN: kiki dax tufa kiki fep OUT: GREEN PURPLE GREEN BLUE
IN: tufa wif fep dax wif OUT: PURPLE YELLOW BLUE YELLOW
IN: kiki OUT: GREEN
IN: wif OUT: YELLOW
IN: fep fep blicket wif wif OUT: BLUE YELLOW YELLOW BLUE
IN: fep wif OUT: BLUE YELLOW
IN: tufa OUT: PURPLE

*QUERY*
IN: fep fep blicket kiki OUT: BLUE GREEN BLUE
IN: wif kiki blicket fep blicket fep fep OUT: YELLOW BLUE BLUE BLUE GREEN
IN: fep dax wif kiki blicket wif dax wif OUT: BLUE YELLOW YELLOW YELLOW GREEN
IN: wif dax tufa OUT: YELLOW PURPLE
IN: fep OUT: BLUE
IN: fep dax tufa dax wif blicket wif OUT: BLUE PURPLE YELLOW YELLOW
IN: wif blicket tufa wif blicket kiki OUT: PURPLE GREEN YELLOW YELLOW
IN: wif fep blicket tufa blicket fep OUT: YELLOW BLUE PURPLE BLUE
IN: wif zup tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW PURPLE
IN: tufa dax wif OUT: PURPLE YELLOW

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