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

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

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