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

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

*GRAMMAR*
tufa -> PURPLE 
 dax -> GREEN 
 zup -> PINK 
 kiki -> YELLOW 
 u1 wif u2 -> [u1] [u2] 
 x1 lug x2 -> [x2] [x1] 
 u1 fep x1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 