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

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

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