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

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

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