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

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

*GRAMMAR*
lug -> YELLOW 
 wif -> RED 
 kiki -> BLUE 
 zup -> GREEN 
 u1 blicket -> [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 