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

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

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