At the same time we have worked to improve the quality and variety of food in the hot case, and have appreciated your positive comments.
(we; have appreciated; your positive comments) (we; have worked; to improve the quality and variety of food in the hot case; T:At the same time) Context(we have worked,List([17, 31))):(we; have worked to improve; the quality and variety of food in the hot case)
we have worked,List([17, 31))
we we we
have appreciated have worked have worked to improve
your positive comments
to improve the quality and variety of food in the hot case T:At the same time
the quality and variety of food in the hot case