Remove consecutive duplicate words from a file using awk or sed

Question

My input file looks like below:

“true true, rohith Rohith;
cold burn, and fact and fact good good?”

Output shoud look like:

Answer 1

sed -E 's/(\w+) *\1/\1/g' sample.txt

sample.txt

“true true, rohith Rohith;
cold burn, and fact and fact good good?”

output:

:~$ sed -E 's/(\w+) *\1/\1/g' sample.txt
“true, rohith Rohith;
cold burn, and fact and fact good?”

Explanation

(\w) *\1 - matches a word separated by a space of the same word and saves it