Their own income did not appear to play a role.

The immune system appears to play a key role in both.

In other cases, politics appears to play a strong role.

Several factors beyond concern over California's economy appeared to play a role.

But in the trial, before a jury that had two black members, race did not appear to play a role.

The group appears to play into the hall, using it as another instrument.

However, events in the world appeared to play into the reformers' hands.

Only sunlight appeared to play a role, the study found.

Events in the world appeared to play into the reformers' hands.

A number of other values appear to play a part, although these are less overt.