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

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

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