It's pronounced "ensemble" by the way. And, one way that a pianist would have a role would be by being in the background as an example and playing his part. He's going to play what he needs to play. The question does seem a little to vague, but truly, I would say simply, that the person who is playing it, just plays his part as they all make music sound good.
To assist patients with a variety of health conditions
Answer: Describes: Disjunct & Wide
Does not describe: Conjunct & narrow
Explanation: Also taken this course
Personally, I would say that it was their (Romeo and Juliet) own fault. They acted hastily and allowed their emotions to get the better of their judgment. It is understandable though seeing as they were both still teenagers at that time. But the fact that they both just met and immediately married -- all within a week! -- shows just how impulsive they are.