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

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

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