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

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

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