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

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

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