An opening act, warm-up act, or supporting act is an entertainment act (musical, comedic, or otherwise), that performs at a concert before the featured act, or "headliner". Rarely, an opening act may perform again at the end of the event, or perform with the featured act after both have had a set to themselves.
Headliners may sometimes invite the opening act to perform again
A: Yes

The Pear Tree ("Derakht-e-Golabi") is a 1998 Iranian drama movie written and directed by Dariush Mehrjui with Homayoun Ershadi and Golshifteh Farahani in the lead. The movie was noted for the exemplary craftsmanship of Dariush Mehrjui on his examination of the Iranian bourgeoisie. This movie is also the debut film of the veteran Iranian actress Golshifteh Farahani.
The Pear Tree is a drama movie that was loved by many people.
A: It's impossible to say

Michael Cunningham (born November 6, 1952) is a U.S. novelist and screenwriter. He is best known for his 1998 novel "The Hours", which won the Pulitzer Prize for Fiction and the PEN/Faulkner Award in 1999. Cunningham is a senior lecturer of creative writing at Yale University.
Cunningham is an Ivy League professor
A:
Yes