Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'be parent company of', Argument/Subject 1: 'tjx', Argument/Subject 2: 'tj maxx'
A computer breach at TJX Cos. , parent company of TJ Maxx , allowed hackers to steal more than 45 million customer credit card and debit card numbers , resulting in a financial loss of more than $ 250 million .

Relationship: 'be member of', Argument/Subject 1: 'barbado', Argument/Subject 2: 'caricom'
Barbados is a member of Caricom , the Caribbean common market .

Relationship: 'be mountain in', Argument/Subject 1: 'ben nevi', Argument/Subject 2: 'great britain'

Ben Nevis is the highest mountain in Great Britain .