Seven faculty members at a management institute frequent a lounge for strong coffee and stimulating conservation. On being asked about their visit to the lounge last Friday we got the following response:

JC:
I came in first, and the next two persons to enter were SS and SM. When I left the lounge, JP and VR were present in the lounge. DG left with me.

JP:
When I entered the lounge with VR, JC was sitting there. There was someone else, but I cannot remember who it was.

SM:
I went to the lounge for a short while, and met JC, SS, and Dg in the lounge that day.

SS:
I left immediately after SM left.

DG:
I met JC, SS, SM, JP, and VR during my first visit to the lounge. I went back to my office with JC. When I went to the lounge for the second time, JP and VR were there.

PK:
I has some urgent work, so I did not sit in the lounge that day, but just collected my coffee and left. JP and DG were the only people in the lounge while I was there.

VR:
No comments.

Based on the responses, which of the two, JP or DG, entered the lounge first?
(a) JP
(b) DG
(c) Both entered together
(d) Cannot be deduced

Who was sitting with JC when JP entered the lounge?
(a) SS
(b) SM
(c) DG
(d) PK

How many of the seven members did VR meet on Friday in the lounge?
(a) 2
(b) 3
(c) 4
(d) 5

Who were the last two faculty members to leave the lounge?
(a) JC and DG
(b) PK and DG
(c) JP and PK
(d) JP and DG