... the in Canada” subtree. After invalidating these spans in the chart, parsing the sentence pair with the brack-eting ITG in (1) will produce the two structuresshown in F igure 3b, both of which ... operation in- stead of three. Finally, one can restrict the type of movement that is considered, shrinking the num-ber of alignments that are attempted. We investi-gate this last advantage of syntactic ... level of any IT G tree. In Figure 6, we see that in all three valid struc-tures, “quickly” is attached higher in the tree than“here”. As a result of this, no combination of in- versions can bring...