*SUPPORT*
IN: lug fep OUT: GREEN PINK
IN: fep lug OUT: PINK GREEN
IN: wif fep wif OUT: YELLOW PINK YELLOW
IN: dax fep OUT: RED PINK
IN: fep gazzer OUT: PINK PINK
IN: wif tufa lug OUT: GREEN YELLOW GREEN GREEN GREEN GREEN YELLOW
IN: wif gazzer kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep lug lug gazzer OUT: PINK GREEN GREEN GREEN
IN: dax gazzer kiki OUT: RED RED RED RED RED RED
IN: wif gazzer OUT: YELLOW YELLOW
IN: dax wif gazzer OUT: RED YELLOW YELLOW
IN: dax gazzer OUT: RED RED
IN: lug lug lug OUT: GREEN GREEN GREEN
IN: lug lug wif OUT: GREEN GREEN YELLOW

*QUERY*
IN: lug fep dax OUT: GREEN PINK RED
IN: lug OUT: GREEN
IN: wif OUT: YELLOW
IN: lug dax gazzer OUT: GREEN RED RED
IN: dax OUT: RED
IN: wif lug gazzer OUT: YELLOW GREEN GREEN
IN: lug gazzer OUT: GREEN GREEN
IN: fep OUT: PINK
IN: lug tufa lug OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug fep gazzer OUT: GREEN PINK PINK

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