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

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

*GRAMMAR*
wif -> PINK 
 fep -> GREEN 
 kiki -> YELLOW 
 gazzer -> RED 
 x1 dax u1 -> [x1] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 