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

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

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