*SUPPORT*
IN: fep fep zup OUT: BLUE BLUE BLUE BLUE
IN: lug tufa fep OUT: BLUE RED BLUE
IN: gazzer lug blicket OUT: PINK RED RED
IN: lug blicket OUT: RED RED
IN: fep blicket OUT: BLUE BLUE
IN: gazzer wif OUT: PINK GREEN
IN: gazzer OUT: PINK
IN: wif blicket OUT: GREEN GREEN
IN: gazzer tufa lug OUT: RED PINK RED
IN: wif wif blicket OUT: GREEN GREEN GREEN
IN: fep gazzer tufa lug OUT: BLUE RED PINK RED
IN: wif OUT: GREEN
IN: lug OUT: RED
IN: gazzer tufa lug zup OUT: RED PINK RED RED PINK RED

*QUERY*
IN: fep tufa gazzer OUT: PINK BLUE PINK
IN: wif tufa fep OUT: BLUE GREEN BLUE
IN: lug tufa lug zup OUT: RED RED RED RED RED RED
IN: fep blicket zup OUT: BLUE BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: fep fep wif OUT: BLUE BLUE GREEN
IN: wif zup zup OUT: GREEN GREEN GREEN GREEN
IN: gazzer tufa gazzer OUT: PINK PINK PINK
IN: lug blicket zup OUT: RED RED RED RED
IN: wif fep blicket zup OUT: GREEN BLUE BLUE GREEN BLUE BLUE

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