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

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

*GRAMMAR*
fep -> PURPLE 
 dax -> YELLOW 
 zup -> RED 
 wif -> GREEN 
 x1 tufa x2 -> [x2] [x1] 
 u1 blicket -> [u1] [u1] [u1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 