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

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

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