Roleset mellow.01 Verbnet Class: 1 "become mellow, relaxed":

Roles:

Arg1:entity become mellow


Arg2:instrument

Examples:

from the corpus (-)
They have since mellowed, although one senior Young & Rubicam executive, echoing others, said: ``I think ad agencies owe Carl Spielvogel a vote of thanks for getting him out of the consulting business.''
Arg1:	They
ArgM-TMP:	since
REL:	mellowed
ArgM-ADV:	although one senior Young & Rubicam executive, echoing others, said: ``I think ad agencies owe Carl Spielvogel a vote of thanks for getting him out of the consulting business




with instrument (-)
John mellowed considerably through the application of advanced pharmaceuticals.
Arg1:	John
REL:	mellowed
Argm-EXT:	considerably
Arg2-through:	the application of advanced pharmaceuticals

Make "mellow out", if it should occur, a phrasal verb.