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

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

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