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

*QUERY*
IN: wif tufa OUT: YELLOW YELLOW
IN: wif OUT: YELLOW
IN: lug OUT: RED
IN: fep gazzer blicket tufa OUT: PURPLE PURPLE GREEN PURPLE PURPLE GREEN
IN: lug gazzer wif tufa OUT: YELLOW YELLOW RED YELLOW YELLOW RED
IN: fep gazzer lug zup lug OUT: RED RED GREEN RED RED GREEN
IN: wif gazzer wif tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif zup lug OUT: YELLOW RED
IN: wif gazzer wif lug tufa OUT: YELLOW RED RED YELLOW YELLOW RED RED YELLOW
IN: blicket OUT: PURPLE

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