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

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

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