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

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

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