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

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

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