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

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

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