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

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

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