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

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

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