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

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

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