You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "how many seats in 3 tier ac coach?" whose answer is 72.
Each document should contain about 30 words, and these documents should contain useful information.

Query: 3 tier ac coach seating capacity
Useful Output:

Doc 1: It has 64 berths , LHB coach has 72 berths. It has 3 oriental and one western style of toilets. There are no doors. 8 compartment (
Doc 2: AC 3 Tier: Air conditioned coaches with 64 sleeping berths. Berths are usually arranged as in 2AC but with three tiers across the width and two longways.
Doc 3: As per standards a normal ICF 3A coach has 64 berths while a LHB one has 72. In actual practice though, there are more people than capacity more often than not.
Doc 4: The 3e coach is similar to the standard 3rd AC coach, except it has 83 seats, which is 11 more than its predecessor.
Doc 5:  passenger capacity by introducing 11 additional berths. Each coach is provided with a wider and one disabled friendly toilet entry door