Given the task definition and input, reply with output. In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Question: How many team members did Crystal Palace have when they played in Hong Kong against Liverpool F.C.? Passage:Liverpool began their preseason in the same manner as last year, a visit to Tranmere Rovers on 12 July. Liverpool won 04 with goals from James Milner (from the penalty spot), Marko Grujic, Pedro Chirivella, and Ben Woodburn (from the penalty spot as well.) The Reds next trip was to Wigan Athletic on 14 July where they drew 11 going 10 down early, but the equalizing goal coming in first half stoppage time from new signing Mohamed Salah. On 19 July, Liverpool played their first match of the 2017 Premier League Asia Trophy friendly tournament in Hong Kong against Crystal Palace. The Reds won 20 thanks to goals from another new signing, Dominic Solanke, and Divock Origi. The Reds advanced to the final, played on 22 July, the day after announcing new signing Andrew Robertson on a deal from Hull City, against Leicester City. Liverpool won the tournament defeating Leicester in the final 21, despite conceding first, due to goals from Salah and Philippe Coutinho.
Links: a. Andrew Robertson b. Leicester City F.C. c. Marko Grujic d. Crystal Palace F.C.
d