Question

X: Hello john
Y: ... (Greet)
X:How Life?
Y: ...
X:... (Informent that liana sick)

Answer 1

Y: Hello X
X: How life?
Y: Oh, I'm fine, thank's
X: You know that Liana is sick?

Answer 2

Y: Hey / hello (name)
X: How's life?
Y: It's good. Nothing much happen
X: I want to inform you that our friend, Liana, is sick. 

(it's not that informal heheh)