Sentence 1: He is suspected of being a key figure in Jemaah Islamiyah, the al-Qa'eda-linked terror group which has been blamed for the bombings.
Sentence 2: Samudra, 32, is suspected of being a key figure in the al-Qaida-linked terror group Jemaah Islamiyah, which has been blamed for carrying out the bombings.
Similarity score (0-5): 3.4