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

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

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