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

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

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