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

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

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