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

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

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