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

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

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