Sentence: It was surprising to find out that the three people interviewed think

is this sentence grammaticly correct?: it was surprising to find out that the three people interviewed think they are ugly.

Hi K7

Yes, that sentence is OK (except that you forgot to capitalize the first word in the sentence).
.

Hi KZ,

Welcome to english-test.net! In addition to Amy’s answer you might want to read why a meaningful message title is important.

Please let me know what you think.
Many thanks,
Torsten[YSaerTTEW443543]

TOEIC listening, talks: Traffic report for Interstate 55 and Highway 44[YSaerTTEW443543]