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

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

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