Which of these songs by The Supremes wasn't a No. 1 hit on the 'Billboard' Hot 100?

The 1967 song "Reflections", a song recorded by The Supremes for the Motown label, was the first Supremes record released under their new billing, 'Diana Ross & the Supremes'. It is also one of their last hit singles to be written and produced by Motown's main production team Holland–Dozier–Holland (H–D–H).

"Reflections" peaked at No. 2 on the United States 'Billboard' Hot 100 pop singles chart and No. 5 on the UK 'Singles Chart' in September 1967.

The songwriting team of H–D–H explained their thinking behind the meaning of this song in a 1960s interview with 'Detroit Free Press'. They said, "It's about when the love has gone bad, or when things have changed in life. One thing in life that's ever changing is tomorrow and it is always different from today. Things change for many reasons, and you have to be aware of why, and what is happening around you. You have to adapt to the changes in life. That's what that was about: your reflection on how things used to be, can be and will be, hopefully."

""It's all about hope, too. The main theme of that song is hope: although things have come to pass, you have to start changing, remembering the old to get involved with a new approach in life."