A group of first graders in San Francisco took a school-sponsored field trip to a homosexual wedding.

The San Francisco Chronicle reports the five-and six-year-olds were pulled out of school to "toss rose petals" on their newly married teacher.

Click play to hear Pat Robertson's comments following this CBN News report.

The school's interim director called it "a teachable moment." But one pro-family group called it "overt indoctrination."

"This is overt indoctrination of children who are too young to understand it," said Chip White, Press Secretary for Yes on Proposition 8.

The parents of two students opted out of letting them go to the gay wedding.

School administrators admit the trip was controversial, but say same sex marriage is legal in their state.

Californians vote next month on whether to overturn the state supreme court's ruling allowing same-sex marriage.