Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentences.
In this way, the current generation of artificial intelligence is smart like a savant. It is nothing close to the intelligence of a human.
1. but
2. only when
3. however
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 3
5
All1,2 and 3