Given the importance of SP, the automatic acquisition of SP has become a well-known research subject in the SP Evaluation Set #R #W #P (McRae et al., 1998) 2 641 821 (Keller and Lapata, 2003) 3 571 540 (Padó et al., 2006) 3 180 207 SP-10K 5 2.5K 10K NLP community.
current SP acquisition models are limited based on existing evaluation methods.