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':7042149
'passage':mast cell. noun, Biology. 1. a large granular cell, common in connective tissue, that produces heparin, histamine, and serotonin. The mast cell granulations are stained pure blue, the eosinophil red, the neutrophil in mixed colour. The substance of the mast cell granulations is also crystalline in some species of animals.
    Output:
    