Corrections to utterances

[pietroliberati98]

• "activities done" --> ERROR
• "which activities I have done" --> task add activity (wrong task) @gerlock93
• #97
• yesterday I played football with Sparrow --> reminder (wrong task) (won't fix)
• register that yesterday I played football with Mario --> list activities task (wrong task) (won't fix)
• we can filter "the surname is" in add contact
• can you add a new person please --> relationship (wrong task) @fedecerno
• can you add Baudo --> (wrong task) (won't fix)