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

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

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