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hy I've been having trouble with body lab gym,this guy said I could come a check the gym n gym for free if i want for 1month if I like it then I could join fully then he ask me to fill in a form of which I did not know it was a contract bt I never went there now they hv bn calling m non stop saying I'm owing them 10000 up wards if I dnt pay they gonna blacklist m n take m to court bt how cme cz I hv never set foot there I only hv slip n no membership card plz help