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

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

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