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

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

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