Which is the correct combination of the given two sentences?
The show starts at 1 p.m. Many guests are invited to the show.
1
Many guests are invited to the show that is starting at 1 p.m.
2
Many guests are invited to the show that starts at 1 p.m.
3
The show that had invited many guests starts at 1 p.m.
4
Many guests are invited to the show that started at 1 p.m.