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

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

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