The <e1>subject</e1> of "imply" is the source of an <e2>implication</e2> while the subject of "infer" is the recipient of an implication.
The subject of "imply"
The subject of "imply" is the source of an implication while the subject of "infer" is the recipient of an implication.
<triplet> subject <subject> implication <object> Cause-Effect(e1,e2)