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

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

*GRAMMAR*
tufa -> PURPLE 
 zup -> GREEN 
 dax -> RED 
 wif -> YELLOW 
 u1 lug -> [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 