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

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

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