Excerpt 3. S1-7 was trying to check whether his understanding was correct

3.1 S1-6: =Yes.
3.2 E1-4: ((nodding))
3.3 S1-7: Sorry please u (.) please tell me. A: I confused.So: (.) the are they a: same same company already? (.) no? (2.0)
3.4 S1-5: M: I I think same company.=
3.5 E1-4: =((laugh))=
3.6 S1-6: =Yeah.
3.7 S1-7: A really? ((laugh)) OK OK.
3.8 All: ((group laugh)) (4.0)