Complex sentence: On one occasion in September 1973 Curtiss and Marilyn were talking about an upcoming family vacation the Riglers were planning, which they knew Genie was nervous about, and during their conversation Genie said "Little bit trip" to express a desire that the vacation be short.
Split into simpler sentences: On one occasion in September 1973 Curtiss and Marilyn were talking about an upcoming family vacation the Riglers were planning, which they knew Genie was nervous about. During their conversation, Genie said "Little bit trip" to express a desire that the vacation be short.