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

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

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