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

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

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