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

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

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