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

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

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