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

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

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