In our MSCFG formalism, we also add new features regarding the additional targets.
in the case where we have one additional target α 2 , we add the log translation probabilities P (γ|α 2 ) and P (α 2 |γ), log lexical probabilities P lex (γ|α 2 ) and P lex (α 2 |γ), and word penalty for α 2 .