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

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

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