Ahern, who was travelling to Tokyo for an EU-Japan summit yesterday, will consult with other EU leaders about the election of the EU commission president.
The only summit in Tokyo is between Nigeria and Japan. 
( z1 summit :mod ( z2 only ) :location ( z3 city :name ( z4 name :op "Tokyo" ) ) :mod ( z5 between :op ( z6 country :name ( z7 name :op "Nigeria" ) ) :op ( z8 country :name ( z9 name :op "Japan" ) ) ) )