stmnt 1 and 2 insufficient by themselves.
combining,
call the angles in the quadrilater enclosed a, b, c, d
opposite to x=a, opposite to y=b, opposite to w=c, and the other d
x=180-a, y=180-b
=>x+y=360-(a+b)
w=95
=>c=180-95=105
z=125
=>d=180-125=55
c+d=105+55=160
a+b+c+d=360
a+b=360-160=200
so we can compute the value of x+y=360-(a+b)
hence C
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