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

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

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