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

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

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