Having -t in my address

[SherwynNg]

Steps to reproduce:

1. input: "add -n BoBbbb Smith -e x@x.xx -a Tampines 693021 -tampines -t friendtoo"

Expected: I expected -tampines to be part of my address.

Actual: The input got recognised as my tag instead as "ampines"

[nus-se-script]

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