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

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

*GRAMMAR*
fep -> GREEN 
 wif -> YELLOW 
 lug -> RED 
 tufa -> PINK 
 x1 dax x2 -> [x1] [x2] 
 x1 kiki u1 -> [x1] [x1] [x1] [u1] [x1] [x1] [u1] 
 x1 blicket x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 