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

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

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