Teacher:In this task, you're given four sentences of a story written in natural language. The given story is not complete and your job is to complete the story by selecting one of the sentence choices from (A) and (B), such that the story sounds fully coherent.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Tina always wore a red bikini when she went to the beach. Sentence2: She was known for it and everyone expected to see her in one. Sentence3: One day she met her friends in a blue bikini and surprised them. Sentence4: They couldn't understand why she would wear something different.
(A) They liked the new bikini though. (B) Tina's friends knew how unpredictable she was.
Student:
A