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

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

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