English ~ NO EXIT FOR TAXIS Please Use Other Exit

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Saw this sign at Changi Airport Car-Park.

Punctuation Marks?

1) No exit for taxis. 

Please use other exit.

... or

2) No exit. For taxis. 

Please use other exit.

.... or

3) No exit. For taxis, 

please use other exit.

... or

4) No. Exit for taxis. 

Please use other exit.

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