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

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

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