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

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

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