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

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

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