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

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

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