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

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

*GRAMMAR*
wif -> GREEN 
 lug -> PURPLE 
 gazzer -> YELLOW 
 zup -> RED 
 u1 tufa x1 -> [x1] [u1] [x1] 
 x1 fep x2 -> [x2] [x2] [x1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 