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

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

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