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

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

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