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

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

*GRAMMAR*
zup -> RED 
 lug -> GREEN 
 gazzer -> PURPLE 
 wif -> BLUE 
 u1 blicket -> [u1] [u1] 
 u1 tufa -> [u1] [u1] 
 x1 fep x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 