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':1098967
'query':how fast does stomach flu come on
'pid':4428255
'passage':How long is flu vaccination effective? A. Flu vaccines are different from vaccines for other diseases, such as measles, because they are given every year. The chief reason, experts say, is not that the vaccine wears off, but that flu viruses mutate so fast as they move around the world.
    Output:
    