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

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

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