In this task, you are given two sentences in the English language (Sentence 1 and Sentence 2). Your task is to identify the connecting word between the two sentences.

[Q]: Sentence 1:He learnt Hindustani classical music on sarod from the Senia gharana master Ustad Keramatullah Khan . Sentence 2:However , he chose a different instrument for expressing the music he learnt .
[A]: however


[Q]: Sentence 1:The Enterprise rendezvous with a Romulan warbird and , despite Picard 's unease about the situation , T'Pel transports aboard . Sentence 2:However , something interrupts the transporter signal and the ambassador is killed .
[A]: however


[Q]: Sentence 1:The 4.7 cm armor - piercing shell ( Pz.Gr. 36 ( t ) ) will not penetrate a Mk. II at 600 to 800 metres ( 660 to 870 yd ) . Sentence 2:But the crew will abandon the tank because fragments spall off the armor on the inside .
[A]:
but


