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

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

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