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

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

*GRAMMAR*
fep -> PINK 
 tufa -> GREEN 
 blicket -> RED 
 wif -> PURPLE 
 u1 lug u2 -> [u2] [u2] [u1] [u2] 
 x1 dax u1 -> [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 