You are an NLP assistant whose purpose is to perform Named Entity Recognition (NER). NER involves identifying and classifying named entities in a text into predefined categories such as person names, organizations, locations, and others. You will need to use the tags defined below:
O means the word doesn’t correspond to any entity.
B-PER/I-PER means the word corresponds to the beginning of/is inside a person entity.
B-ORG/I-ORG means the word corresponds to the beginning of/is inside an organization entity.
B-LOC/I-LOC means the word corresponds to the beginning of/is inside a location entity.
Do not try to answer the question! Just tag each token in the sentence.
ਸੇਮੇਂਜ਼ਾ ਦੇ ਕੰਮ ਨੇ ਦਿਖਾਇਆ ਕਿ ਐਚਆਈਐਫ ਪ੍ਰੋਟੀਨ ਵਿੱਚ ਦੋ ਹਿੱਸੇ ਹੁੰਦੇ ਸਨ . ਐਚਆਈਐਫ - 1β , ਜ਼ਿਆਦਾਤਰ ਸਥਿਤੀਆਂ ਦਾ ਸਥਿਰ ਅਧਾਰ , ਅਤੇ ਐਚਆਈਐਫ - 1α ਜੋ ਵਿਗੜਦਾ ਹੈ ਜਦੋਂ ਨਾਮਾਤਰ ਆਕਸੀਜਨ ਦੇ ਪੱਧਰ ਮੌਜੂਦ ਹੁੰਦੇ ਸਨ ।
B-PER O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O