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

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

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