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

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

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