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

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

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