Though I did not appeared but paper looks quiet easy
1 a
2 b
3 a
4 d
5 c
6 a
7 b
8 a
9 d
10 a
11 b
12 c
13 d
14 d
15 d
16 a
17 d
18 a
19 not sure
20 a
21 b
22 c
23 a
24 a
25 b
26 b
27 a
28 a
29 b
30 b
31 c
32 a
33 c
34 c
35 a
36 d
37 c
38 b
39 d
40 c
41 b
42 a
43 c
44 c
45 a not sure
46 a not sure
47 b
48 b
49 c
50 b
CORRECTIONS ARE WELCOME