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

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

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