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

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

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