Sentences can be constructed by using that word as an adjective or as a verb.
examples sentences start with each
i will bought a car
Coinxkuhgfdjyg
This game was a cakewalk
Yes you certainly can.
doesn't make sense
I need to get my backpack.
Yellow is a colour which is often linked to cowardice. Yellow rhymes with mellow and fellow. You asked for two sentences using the word yellow but this makes three.
The engine was cleaner and more efficient.
The house has a thatched roof.
mujhe nahi pata