In this task, you will be presented with a context from an academic paper and you have to write an answerable question based on the context. Your questions can be extractive, abstractive, or yes-no questions.
Q: Input of the model is the concatenation of word embedding and another embedding indicating whether this word is predicate: $ \mathbf {x}_t = [\mathbf {W}_{ ext{emb}}(w_t), \mathbf {W}_{ ext{mask}}(w_t = v)]. $
A:
What's the input representation of OpenIE tuples into the model?