Complex sentence: After the aircraft was unveiled, its livery and color scheme has gained criticism, some deemed it as "unattractive", some noted the similarity of sky blue color scheme to the United States' Air Force One, while other suspected its political connotation.
Split into simpler sentences: After the aircraft was unveiled, its livery and color scheme attracted criticism. Some deemed it "unattractive", while others noted the similarity of sky blue color scheme to the United States Air Force One, and others suspected a political connotation.