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

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

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