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

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

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