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

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

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