Tom doesn't like cheese. - Tom does not like cheese.
Tom doesn't like cheese.
Tom does not like cheese.
George doesn't mix much; he likes to keep to himself. - George does not mix much; he likes to keep to himself.
George doesn't mix much; he likes to keep to himself.
George does not mix much; he likes to keep to himself.
... does not necessarily say valuable information. ...
... does not go to curing breast cancer at all. It simply goes to massaging breast cancer, ...