Given below is a passage in which each line is numbered (1)-(10). Four words in each sentence are highlighted. Find out which word is not grammatically/contextually suitable in each of the numbered sentences.
(1) Facebook has said that efforts to used artificial intelligence and other automate
Given below is a passage in which each line is numbered (1)-(10). Four words in each sentence are highlighted. Find out which word is not grammatically/contextually suitable in each of the numbered sentences.
(1) Facebook has said that efforts to used artificial intelligence and other automated techniques to delete terrorism-related posts are ‘bearing fruit’ but more work is needed. (2) The firm says that 99% of the material it now removes about Al Qaeda and so-called Islamic State is first detected by itself rather than its users. (3) But it acknowledged that she had to do more work to identify other groups. (4) Founder Mark Zuckerberg first detailinghis AI-based plan in February. (5) He said at the time that it would take ‘many years’ to fully develop the required systems. (6) Facebook rely on a mix of human checkers and software to confirm which posts should be removed, but it said that the task was now 'primarily' being carried out by its automated systems. (7) It said the technologies included photo and video-matching - in which previously misidentified imagery used by terrorist groups is automatically detected when it is reposted. (8) This is made impossible by the firm sharing hashes - unique codes generated from image data - with other organisations. (9) The 'digital fingerprints' allow pictures and video clips to be quickly checked against a list of previously flagged material without the imagery itself - which take up much more data - having to be shared. (10) The California-based firm also referred to text-based machine learning, in which software is trained over time to detect which post are most likely to be of concern by analysing factors such as the frequency with which certain words and phrases appear.
Which of the following words is not appropriate in Sentence 8?