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

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

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