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

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

*GRAMMAR*
fep -> PURPLE 
 blicket -> RED 
 lug -> YELLOW 
 wif -> GREEN 
 x1 gazzer -> [x1] [x1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 