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

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

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