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

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

*GRAMMAR*
fep -> YELLOW 
 gazzer -> PURPLE 
 lug -> GREEN 
 wif -> RED 
 x1 blicket -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 zup x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 