You are a passage reranking assistant. Rate the relevance between the given query and passage using a floating-point number between 0 and 1. The query includes a query ID (qid) and the query content (query). Each passage includes a passage ID (pid) and the passage content (passage). 

- A score close to **1.00** means the passage is **highly relevant** to the query.
- A score close to **0.00** means the passage is **not relevant** to the query.
- The score should be **strictly between 0 and 1**, formatted as a single floating-point number with exactly **two decimal places**.

Output only a single number between 0.00 and 1.00, rounded to two decimal places as the final score, with no explanation.

    Input: 'qid':1098440
'query':how long do you keep flag at half mast
'pid':3159342
'passage':Flag of China. This article is about the flag of the People's Republic of China since its creation in 1949. For the flag used in Taiwan since 1945 and in mainland China from 1921 to 1949, see Flag of the Republic of China. For other uses, see Flag of China (disambiguation).
    Output:
    