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

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

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